### Get Available Coins - OpenAPI Specification

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/coins/coins

This OpenAPI specification defines the GET /v1/coins endpoint, which retrieves a list of available coins for exchange. It includes details on request parameters, successful responses (200) with coin details, and error responses (403, 500). The specification also defines the data structures for coin responses and error messages.

```yaml
openapi: 3.0.0
info:
  title: OpenAPI Plant Store
  description: ''
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.letsexchange.io/api
security:
  - bearerAuth: []
paths:
  /v1/coins:
    get:
      description: >
        This returns the list of coins available for exchange with the selected
        coin at a given time or sends the entire list of coins. 

        The response also contains parameters such as the “extra ID”, if
        applicable for a specific cryptocurrency, for example, the Destination
        Tag for XRP (XRP). 


        In addition, the response provides icon links.
      parameters:
        - in: query
          name: partner_user_ip
          schema:
            description: End user IP address
            example: 127.0.0.1
            type: string
      responses:
        '200':
          description: Coins response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CoinResponse'
        '403':
          description: Wrong API key in Bearer token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WrongAPITokenError'
              example:
                error: Wrong number of segments
        '500':
          description: Unexpected error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                success: false
                error: Internal error
components:
  schemas:
    CoinResponse:
      type: object
      properties:
        code:
          description: Coin short name (code)
          example: ETH-BEP20
          type: string
        name:
          description: Currency full name
          example: Ethereum
          type: string
        network_code:
          description: Coin network code
          example: BEP20
          type: string
        network_name:
          description: Coin network name
          example: Binance Smart Chain (BEP20)
          type: string
        default_network_code:
          description: Coin default network code
          example: ETH
          type: string
        default_network_name:
          description: Coin default network name
          example: Ethereum
          type: string
        disabled:
          description: >-
            The availability of the coins. `0` - available, `1` - unavailable
            **[DEPRECATED]**
          example: 1
          type: number
        is_active:
          description: The availability of the coins. `1` - available, `0` - unavailable
          example: 1
          type: number
        icon:
          description: The link to the coin logo
          example: >-
            https://letsexchange.s3.eu-central-1.amazonaws.com/coins/23d9818d338b43e692dddf6455c0d197.svg
          type: string
        has_extra:
          description: >-
            `1` f the coin has an extra ID in addition to the address, `0` if it
            doesn’t
          example: 1
          type: number
        extra_name:
          description: Name of the extra ID
          example: MEMO
          nullable: true
          type: string
        additional_info_get:
          description: Additional info for a coin to get
          example: >-
            Due to network requirements, the exchange will be processed after
            500 confirmations of your deposit transaction.
          type: string
        additional_info_send:
          description: Additional info for a coin to send
          example: >-
            Please note that token has migrated to the new Binance Chain contact
            address
          type: string
        explorer:
          description: >-
            Cryptocurrency blockchain explorer URL is used to check transaction
            status in a block explorer
          example: https://pacific-explorer.manta.network/
          type: string
        contract_address:
          description: Contract address
          example: '0x2170ed0880ac9a755fd29b2688956bd959f933f8'
          type: string
    WrongAPITokenError:
      required:
        - error
      type: object
      properties:
        error:
          type: string
    Error:
      required:
        - success
        - error
      type: object
      properties:
        success:
          type: boolean
        error:
          type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

```

--------------------------------

### Get a List of Coins V2

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v2/coins/coins

Fetches the list of coins available for exchange, including their networks, extra ID applicability, and icon links.

```APIDOC
## GET /coins/list

### Description
Fetches the list of coins available for exchange with a selected coin at a given time or the entire list of coins. Each coin entry contains an array of networks.

The response also contains parameters such as the “extra ID”, if applicable for a specific cryptocurrency, for example, the Destination Tag for XRP (XRP).

In addition, the response provides icon links.

### Method
GET

### Endpoint
/coins/list

### Parameters
#### Query Parameters
- **currency** (string) - Optional - The currency to filter the list by.

### Request Example
```
GET /coins/list?currency=BTC
```

### Response
#### Success Response (200)
- **coins** (array) - An array of coin objects.
  - **id** (string) - The unique identifier for the coin.
  - **name** (string) - The name of the coin.
  - **iconUrl** (string) - The URL of the coin's icon.
  - **networks** (array) - An array of network objects available for the coin.
    - **name** (string) - The name of the network.
    - **ticker** (string) - The ticker symbol for the network.
    - **extraIDName** (string) - The name of the extra ID field, if applicable.
    - **extraID** (boolean) - Indicates if an extra ID is required for this network.

#### Response Example
```json
{
  "coins": [
    {
      "id": "btc",
      "name": "Bitcoin",
      "iconUrl": "https://example.com/icons/btc.png",
      "networks": [
        {
          "name": "Bitcoin",
          "ticker": "BTC",
          "extraIDName": null,
          "extraID": false
        }
      ]
    },
    {
      "id": "xrp",
      "name": "XRP",
      "iconUrl": "https://example.com/icons/xrp.png",
      "networks": [
        {
          "name": "XRP Ledger",
          "ticker": "XRP",
          "extraIDName": "Destination Tag",
          "extraID": true
        }
      ]
    }
  ]
}
```
```

--------------------------------

### Get Coins List

Source: https://api-doc.letsexchange.io/documentation/swap-flow

Fetches a list of available cryptocurrencies. This is a prerequisite for calculating rates and creating exchanges. Pay attention to the `is_active` property to ensure you select active coins.

```APIDOC
## GET /api/v2/coins

### Description
Fetches a list of all available cryptocurrencies supported by the LetsExchange API. This list is essential for identifying potential trading pairs.

### Method
GET

### Endpoint
/api/v2/coins

### Parameters
#### Query Parameters
- **is_active** (integer) - Optional - Filters the list to include only active cryptocurrencies (1 for active, 0 for inactive).

### Request Example
```json
{
  "example": "No request body needed for GET request."
}
```

### Response
#### Success Response (200)
- **coins** (array) - A list of cryptocurrency objects, each containing details like name, symbol, and activation status.
  - **id** (integer) - The unique identifier for the coin.
  - **name** (string) - The full name of the cryptocurrency.
  - **symbol** (string) - The trading symbol for the cryptocurrency.
  - **is_active** (integer) - Indicates if the coin is currently active for trading (1) or not (0).

#### Response Example
```json
{
  "example": [
    {
      "id": 1,
      "name": "Bitcoin",
      "symbol": "BTC",
      "is_active": 1
    },
    {
      "id": 2,
      "name": "Ethereum",
      "symbol": "ETH",
      "is_active": 1
    }
  ]
}
```
```

--------------------------------

### Get Transaction Info

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/transaction/get-transaction

Fetches detailed information about a specific transaction. Includes the current rate offered by LetsExchange, which may differ from the market rate.

```APIDOC
## GET /transactions/{transactionId}

### Description
Fetches detailed information about a specific transaction. The response includes the current rate offered by LetsExchange, which may differ from the market rate and change rapidly depending on market conditions.

### Method
GET

### Endpoint
/transactions/{transactionId}

### Parameters
#### Path Parameters
- **transactionId** (string) - Required - The unique identifier of the transaction.

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **transactionId** (string) - The unique identifier of the transaction.
- **status** (string) - The current status of the transaction (e.g., 'completed', 'pending').
- **rate** (number) - The current exchange rate offered by LetsExchange for this transaction.
- **amount_from** (number) - The amount sent by the user.
- **amount_to** (number) - The estimated amount to be received by the user.
- **currency_from** (string) - The currency being sent.
- **currency_to** (string) - The currency being received.

#### Response Example
```json
{
  "transactionId": "tx_12345abcde",
  "status": "completed",
  "rate": 0.00005678,
  "amount_from": 1.0,
  "amount_to": 0.00005678,
  "currency_from": "BTC",
  "currency_to": "ETH"
}
```
```

--------------------------------

### Get Coin Info Bulk - OpenAPI Specification

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/coins/info-bulk

This OpenAPI 3.0.0 specification defines the 'POST /v1/info/bulk' endpoint for fetching cryptocurrency information in bulk. It includes request body schemas for specifying coins, affiliate ID, and float rate, as well as response schemas for successful retrieval and various error conditions.

```yaml
openapi: 3.0.0
info:
  title: OpenAPI Plant Store
  description: ''
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.letsexchange.io/api
security:
  - bearerAuth: []
paths:
  /v1/info/bulk:
    post:
      requestBody:
        description: ''
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CoinInfoBulkRequest'
        required: true
      responses:
        '200':
          description: Coin Info Bulk response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CoinInfoRevertResponse'
        '403':
          description: Wrong API key in Bearer token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WrongAPITokenError'
              example:
                error: Wrong number of segments
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                success: false
                error:
                  validation:
                    coins: The coins field is required.
        '500':
          description: unexpected error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                success: false
                error: Internal error
components:
  schemas:
    CoinInfoBulkRequest:
      required:
        - float
        - affiliate_id
        - coins
      type: object
      properties:
        float:
          description: Is float rate
          example: true
          type: boolean
        affiliate_id:
          description: Affiliate ID
          example: q1W2e3R4tEXAMPLE
          type: string
        partner_user_ip:
          description: End user IP address
          example: 127.0.0.1
          nullable: true
          type: string
        coins:
          description: >-
            You will get coins rates with pairs from intersections between that
            list. **The limit is 50 coins per query.**
          example:
            - BTC
            - USDT
            - ETH
          type: array
          items:
            type: string
    CoinInfoRevertResponse:
      type: object
      properties:
        min_amount:
          description: The minimum possible amount to be sent
          example: '0.002'
          type: string
        max_amount:
          description: The maximum possible amount to be sent
          example: '27000'
          type: string
        amount:
          description: >-
            The amount a user must send to receive the amount from the `amount`
            request
          example: '1725.45941279'
          type: string
        fee:
          description: Service fee (in destination currency) **[DEPRECATED]**
          example: '0'
          type: string
        rate:
          description: The current exchange rate offered by LetsExchange
          example: '0.000290844400000'
          type: string
        profit:
          description: If a promo code was used, a bonus value in BTC
          example: '13'
          nullable: true
          type: string
        withdrawal_fee:
          description: The withdrawal fee is specified in the currency a user gets.
          example: '5.90634362'
          type: string
        rate_id:
          description: Rate identifier for a FIXED rate flow
          example: 646006ec-c1c7-482e-acb6-682e7674fd7e
          nullable: true
          type: string
        rate_id_expired_at:
          description: The timestamp (in milliseconds) when the received rate will expire
          example: '1719396641906'
          nullable: true
          type: string
    WrongAPITokenError:
      required:
        - error
      type: object
      properties:
        error:
          type: string
    Error:
      required:
        - success
        - error
      type: object
      properties:
        success:
          type: boolean
        error:
          type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

```

--------------------------------

### Get DEX Coins List

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/transaction/dex/coins

Fetches the list of coins available for DEX swaps. The response includes coin details, potential extra IDs (like XRP's Destination Tag), and icon links.

```APIDOC
## GET /v1/dex/coins

### Description
This endpoint returns the list of coins available for DEX swap. The response also contains parameters such as the “extra ID”, if applicable for a specific cryptocurrency, for example, the Destination Tag for XRP (XRP). In addition, the response provides icon links.

### Method
GET

### Endpoint
/v1/dex/coins

### Parameters
#### Query Parameters
- **partner_user_ip** (string) - Optional - End user IP address

### Request Example
```json
{
  "partner_user_ip": "127.0.0.1"
}
```

### Response
#### Success Response (200)
- **code** (string) - Coin short name (code)
- **name** (string) - Currency full name
- **icon** (string) - The link to the coin logo
- **networks** (array) - List of networks the coin is available on
  - **uuid** (string) - Unique network ID
  - **name** (string) - Network name
  - **code** (string) - Network code
  - **icon** (string) - The link to the network logo
  - **background_color** (string) - Network background color
  - **color** (string) - Network text color
  - **chain_id** (string) - Network chain id
  - **contract_address** (string) - Contract address
  - **smart_contract_explorer_url** (string) - Blockchain explorer URL is used to check transaction status in a block explorer
  - **validation_address_regex** (string) - Validation address regex

#### Error Response (403)
- **error** (string) - Error message (e.g., "Wrong API key in Bearer token")

#### Error Response (500)
- **success** (boolean) - Indicates if the request was successful
- **error** (string) - Error message (e.g., "Internal error")

#### Response Example (200)
```json
[
  {
    "code": "USDC",
    "name": "USDC",
    "icon": "https://images.letsexchange.io/coins/cce0373d3721efb48fb7ced57e26f6d6.svg",
    "networks": [
      {
        "uuid": "783211cb-60c2-4ae4-8a16-761f9fa9b2c9",
        "name": "Ethereum Network",
        "code": "ERC20",
        "icon": "https://images.letsexchange.io/coins/cce0373d3721efb48fb7ced57e26f6d6.svg",
        "background_color": "#e5ebff",
        "color": "#4d67cb",
        "chain_id": "1",
        "contract_address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
        "smart_contract_explorer_url": "https://etherscan.io/address/",
        "validation_address_regex": "^(0x)[0-9A-Fa-f]{40}$"
      }
    ]
  }
]
```

#### Response Example (403)
```json
{
  "error": "Wrong number of segments"
}
```

#### Response Example (500)
```json
{
  "success": false,
  "error": "Internal error"
}
```
```

--------------------------------

### Get a List of Coins

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/coins/coins

Retrieves the list of coins available for exchange. The response includes details like 'extra ID' requirements and icon links.

```APIDOC
## GET /coins

### Description
Fetches the list of coins available for exchange. This endpoint can return coins relevant to a selected coin or the entire list of supported coins. The response includes cryptocurrency-specific details such as the 'extra ID' (e.g., Destination Tag for XRP) and links to coin icons.

### Method
GET

### Endpoint
/coins

### Parameters
#### Query Parameters
- **paired_coin** (string) - Optional - The coin to filter the exchange list by.

### Request Example
```json
{
  "example": "GET /coins?paired_coin=BTC"
}
```

### Response
#### Success Response (200)
- **id** (string) - The unique identifier for the coin.
- **name** (string) - The name of the coin.
- **icon_url** (string) - The URL for the coin's icon.
- **has_extra_id** (boolean) - Indicates if the coin requires an extra ID.
- **extra_id_name** (string) - The name of the extra ID field, if applicable.

#### Response Example
```json
{
  "example": [
    {
      "id": "BTC",
      "name": "Bitcoin",
      "icon_url": "https://example.com/icons/btc.png",
      "has_extra_id": false
    },
    {
      "id": "XRP",
      "name": "Ripple",
      "icon_url": "https://example.com/icons/xrp.png",
      "has_extra_id": true,
      "extra_id_name": "Destination Tag"
    }
  ]
}
```
```

--------------------------------

### Get Coin Bridge Info

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/coins/bridge/info

Fetches the current exchange rate for a crypto bridge between two specified networks. It also calculates the final amount a user will receive and provides the minimum and maximum deposit amounts.

```APIDOC
## GET /coins/bridge/info

### Description
Retrieves the current rate for a crypto bridge across two specific networks, calculates the final amount that the user will receive, and provides minimum and maximum deposit amounts.

### Method
GET

### Endpoint
/coins/bridge/info

### Parameters
#### Query Parameters
- **from_network** (string) - Required - The network from which the cryptocurrency is being sent.
- **to_network** (string) - Required - The network to which the cryptocurrency is being sent.
- **from_coin** (string) - Required - The cryptocurrency being sent.
- **to_coin** (string) - Required - The cryptocurrency being received.

### Request Example
```
GET /coins/bridge/info?from_network=ethereum&to_network=bsc&from_coin=ETH&to_coin=BNB
```

### Response
#### Success Response (200)
- **rate** (number) - The current exchange rate for the bridge.
- **estimated_amount** (number) - The calculated final amount the user will receive.
- **min_deposit** (number) - The minimum deposit amount allowed.
- **max_deposit** (number) - The maximum deposit amount allowed.

#### Response Example
```json
{
  "rate": 0.05,
  "estimated_amount": 95.0,
  "min_deposit": 10.0,
  "max_deposit": 10000.0
}
```
```

--------------------------------

### GET /v2/transactions-list

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v2/transaction/get-transactions-list

Retrieves a paginated list of transactions with filtering options for date ranges.

```APIDOC
## GET /v2/transactions-list

### Description
It returns detailed information about transactions. [API Version 2]

### Method
GET

### Endpoint
/v2/transactions-list

### Parameters
#### Query Parameters
- **page** (integer) - Optional - Page number for pagination. Example: 1
- **limit** (integer) - Optional - Number of elements per page. Example: 10
- **start_date** (integer) - Optional - Start date filter. Example: 1757404910
- **end_date** (integer) - Optional - End date filter. Example: 1757405520

### Request Example
```json
{
  "example": "No request body for GET request"
}
```

### Response
#### Success Response (200)
- **current_page** (integer) - The current page number.
- **data** (array) - An array of transaction objects.
- **from** (integer) - The starting item number for the current page.
- **last_page** (integer) - The total number of pages.
- **next_page_url** (string) - URL for the next page, or null if it's the last page.
- **path** (string) - The base URL path for the transaction list.
- **per_page** (integer) - The number of items per page.
- **prev_page_url** (string) - URL for the previous page, or null if it's the first page.
- **to** (integer) - The ending item number for the current page.
- **total** (integer) - The total number of transactions.

#### Response Example
```json
{
  "current_page": 1,
  "data": [
    {
      "created_at": "2025-02-05 18:52:46",
      "status": "wait",
      "transaction_id": "5bb44a4d99cd5",
      "coin_from": "BTC",
      "coin_from_name": "Bitcoin",
      "coin_from_network": "BTC",
      "coin_from_chain_id": null,
      "coin_from_icon": "https://images.letsexchange.io/coins/6dfa9838b46e464c1c27446f6e7b4b64.svg",
      "coin_from_explorer_url": "https://blockchair.com/bitcoin/transaction/",
      "coin_from_additional_get_info": "Due to network requirements, the exchange will be processed after 500 confirmations of your deposit transaction."
    }
  ],
  "from": 1,
  "last_page": 118,
  "next_page_url": "https://api.letsexchange.io/api/v2/transactions-list?page=2",
  "path": "https://api.letsexchange.io/api/v2/transactions-list",
  "per_page": 50,
  "prev_page_url": null,
  "to": 50,
  "total": 5867
}
```

#### Error Responses
- **403**: Wrong API key in Bearer token. Example: `{"error": "Wrong number of segments"}`
- **500**: Unexpected error. Example: `{"success": false, "error": "Internal error"}`
```

--------------------------------

### LetsExchange API Introduction

Source: https://api-doc.letsexchange.io/api-reference/introduction

Provides an overview of the LetsExchange API, including base URL, version differences, and important notes on coin codes, Extra IDs, and request headers.

```APIDOC
## Introduction to LetsExchange API

### Base URL
`https://api.letsexchange.io/api`

### API Versions
- **API ver. 1**: Displays a list of cryptocurrencies in the form of coin codes and networks.
- **API ver. 2**: Displays an aggregated list of cryptocurrencies containing a list of networks for each specific coin. (Recommended)

### Important Notes

#### Coin Codes
- Parameters like `coin_from` or `coin_to` require coin tickets in uppercase (e.g., BTC, ETH, XMR).

#### Security
- All requests must be made using HTTPS.

#### Extra ID
- An optional field for addresses that require an additional identifier for transaction processing (e.g., XRP's "Destination Tag", Monero's "Payment ID", Stellar's "Memo").
- This parameter should only be included if the coin necessitates it.

### Request Headers
For each request, the following headers must be used:

```json
{
    "Content-Type": "application/json",
    "Accept": "application/json"
}
```
```

--------------------------------

### POST /v1/info/bulk

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/coins/info-bulk

Retrieves bulk coin information including rates, limits, and fees for a specified list of coins. Requires an API key for authentication.

```APIDOC
## POST /v1/info/bulk

### Description
Retrieves bulk coin information including rates, limits, and fees for a specified list of coins. Requires an API key for authentication.

### Method
POST

### Endpoint
https://api.letsexchange.io/api/v1/info/bulk

### Parameters
#### Query Parameters
- **float** (boolean) - Required - Specifies whether to use float rates.
- **affiliate_id** (string) - Required - Your affiliate ID.
- **partner_user_ip** (string) - Optional - The end user's IP address.
- **coins** (array of strings) - Required - A list of coins (up to 50 per query) for which to retrieve information.

#### Request Body
This endpoint does not use a request body. Parameters are passed as query parameters.

### Request Example
```bash
curl -X POST "https://api.letsexchange.io/api/v1/info/bulk?float=true&affiliate_id=q1W2e3R4tEXAMPLE&coins[]=BTC&coins[]=USDT&coins[]=ETH"
     -H "Authorization: Bearer YOUR_API_KEY"
```

### Response
#### Success Response (200)
- **min_amount** (string) - The minimum possible amount to be sent.
- **max_amount** (string) - The maximum possible amount to be sent.
- **amount** (string) - The amount a user must send to receive the amount from the `amount` request.
- **fee** (string) - Service fee (in destination currency) **[DEPRECATED]**.
- **rate** (string) - The current exchange rate offered by LetsExchange.
- **profit** (string) - If a promo code was used, a bonus value in BTC.
- **withdrawal_fee** (string) - The withdrawal fee is specified in the currency a user gets.
- **rate_id** (string) - Rate identifier for a FIXED rate flow.
- **rate_id_expired_at** (string) - The timestamp (in milliseconds) when the received rate will expire.

#### Response Example
```json
[
  {
    "min_amount": "0.002",
    "max_amount": "27000",
    "amount": "1725.45941279",
    "fee": "0",
    "rate": "0.000290844400000",
    "profit": null,
    "withdrawal_fee": "5.90634362",
    "rate_id": "646006ec-c1c7-482e-acb6-682e7674fd7e",
    "rate_id_expired_at": "1719396641906"
  }
]
```

#### Error Responses
- **403 Forbidden**: Wrong API key in Bearer token.
  ```json
  {
    "error": "Wrong number of segments"
  }
  ```
- **422 Unprocessable Entity**: Unprocessable Entity.
  ```json
  {
    "success": false,
    "error": {
      "validation": {
        "coins": "The coins field is required."
      }
    }
  }
  ```
- **500 Internal Server Error**: Unexpected error.
  ```json
  {
    "success": false,
    "error": "Internal error"
  }
  ```
```

--------------------------------

### Get DEX Coins List - OpenAPI Specification

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/transaction/dex/coins

This OpenAPI specification defines the GET /v1/dex/coins endpoint, which retrieves a list of coins available for DEX swaps. The response includes coin details, network information, and icon links. It also specifies error responses for invalid API keys and internal server errors.

```yaml
openapi: 3.0.0
info:
  title: OpenAPI Plant Store
  description: ''
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.letsexchange.io/api
security:
  - bearerAuth: []
paths:
  /v1/dex/coins:
    get:
      description: >
        This returns the list of coins available for DEX swap.

        The response also contains parameters such as the “extra ID”,
        if applicable for a specific cryptocurrency, for example, the Destination
        Tag for XRP (XRP).


        In addition, the response provides icon links.
      parameters:
        - in: query
          name: partner_user_ip
          schema:
            description: End user IP address
            example: 127.0.0.1
            type: string
      responses:
        '200':
          description: DEX Coins response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/DEXCoinResponse'
        '403':
          description: Wrong API key in Bearer token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WrongAPITokenError'
              example:
                error: Wrong number of segments
        '500':
          description: Unexpected error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                success: false
                error: Internal error
components:
  schemas:
    DEXCoinResponse:
      type: object
      properties:
        code:
          description: Coin short name (code)
          example: USDC
          type: string
        name:
          description: Currency full name
          example: USDC
          type: string
        icon:
          description: The link to the coin logo
          example: >-
            https://images.letsexchange.io/coins/cce0373d3721efb48fb7ced57e26f6d6.svg
          type: string
        networks:
          type: array
          items:
            type: object
            properties:
              uuid:
                description: Unique network ID
                example: 783211cb-60c2-4ae4-8a16-761f9fa9b2c9
                type: string
              name:
                description: Network name
                example: Ethereum Network
                type: string
              code:
                description: Network code
                example: ERC20
                type: string
              icon:
                description: The link to the network logo
                example: >-
                  https://images.letsexchange.io/coins/cce0373d3721efb48fb7ced57e26f6d6.svg
                nullable: true
                type: string
              background_color:
                description: Network background color
                example: '#e5ebff'
                type: string
              color:
                description: Network text color
                example: '#4d67cb'
                type: string
              chain_id:
                description: Network chain id
                example: '1'
                type: string
              contract_address:
                description: Contract address
                example: '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48'
                type: string
              smart_contract_explorer_url:
                description: >-
                  Blockchain explorer URL is used to check transaction status in
                  a block explorer
                example: https://etherscan.io/address/
                type: string
              validation_address_regex:
                description: Validation address regex
                example: ^(0x)[0-9A-Fa-f]{40}$
                type: string
    WrongAPITokenError:
      required:
        - error
      type: object
      properties:
        error:
          type: string
    Error:
      required:
        - success
        - error
      type: object
      properties:
        success:
          type: boolean
        error:
          type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

```

--------------------------------

### Documentation Index

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/transaction/get-transactions-list

Fetches the complete documentation index, which lists all available API documentation pages.

```APIDOC
## GET /llms.txt

### Description
Fetches the complete documentation index. Use this file to discover all available API documentation pages before exploring further.

### Method
GET

### Endpoint
/llms.txt

### Parameters
None

### Request Example
```
GET https://api-doc.letsexchange.io/llms.txt
```

### Response
#### Success Response (200)
- **documentation_index** (string) - A text file containing links to all available documentation pages.

#### Response Example
```
https://api-doc.letsexchange.io/transactions.html
https://api-doc.letsexchange.io/users.html
```
```

--------------------------------

### Get Transaction Status OpenAPI Specification

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/transaction/get-transaction-status

This OpenAPI specification defines the GET /v1/transaction/{id}/status endpoint. It allows clients to retrieve the current status of a transaction by providing its unique ID. The response includes the transaction status as a string, with potential error responses for invalid API keys, not found transactions, or internal server errors.

```yaml
openapi: 3.0.0
info:
  title: OpenAPI Plant Store
  description: ''
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.letsexchange.io/api
security:
  - bearerAuth: []
paths:
  /v1/transaction/{id}/status:
    get:
      description: Allows the current status of the transaction to be checked as a string.
      parameters:
        - in: path
          name: id
          schema:
            description: Unique identifier for transaction assigned by letsexchange.io
            example: 599cd4bb4d4a5
            type: string
          required: true
      responses:
        '200':
          description: Get Transaction Status response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetTransactionStatusResponse'
        '403':
          description: Wrong API key in Bearer token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WrongAPITokenError'
              example:
                error: Wrong number of segments
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                success: false
                error: Transaction not found
        '500':
          description: Unexpected error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                success: false
                error: Internal error
components:
  schemas:
    GetTransactionStatusResponse:
      type: string
      description: >-
        Transaction status is used to notify user about progress of the exchange
        process. [See *transaction statuses for detailed
        description](/documentation/statuses)
      example: success
    WrongAPITokenError:
      required:
        - error
      type: object
      properties:
        error:
          type: string
    Error:
      required:
        - success
        - error
      type: object
      properties:
        success:
          type: boolean
        error:
          type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

```

--------------------------------

### Initiate Bridge Transaction (OpenAPI)

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v1/transaction/bridge/create-transaction

This OpenAPI definition describes the POST /v1/bridge/transaction endpoint. It allows users to initiate a cryptocurrency swap by specifying the token, networks, amounts, and withdrawal addresses. The response includes deposit details, fees, and other relevant parameters. It also details various error responses for invalid requests or server issues.

```yaml
openapi: 3.0.0
info:
  title: OpenAPI Plant Store
  description: ''
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.letsexchange.io/api
security:
  - bearerAuth: []
paths:
  /v1/bridge/transaction:
    post:
      description: >-
        This call allows you to initiate a swap in bridge mode. You choose a
        token, the networks between which the token will move, provide the
        sender’s withdrawal address and specify the amount of crypto you want to
        swap. [Letsexchange.io](https://letsexchange.io) returns the deposit
        address, extra ID (if needed), final amount, fee, and other parameters.


        **To receive an affiliate fee from a transaction, the API query must
        include the following parameter: `affiliate_id`.**
      requestBody:
        description: ''
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateBridgeTransactionRequest'
        required: true
      responses:
        '200':
          description: Create Bridge Transaction response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreateBridgeTransactionResponse'
        '403':
          description: Wrong API key in Bearer token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WrongAPITokenError'
              example:
                error: Wrong number of segments
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                success: false
                error: Rate is not available for this pair.
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                success: false
                error:
                  validation:
                    withdrawal_extra_id: The withdrawal extra id field must be present.
        '500':
          description: unexpected error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                success: false
                error: Internal error
components:
  schemas:
    CreateBridgeTransactionRequest:
      required:
        - coin
        - network_from
        - network_to
        - deposit_amount
        - withdrawal
        - withdrawal_extra_id
        - affiliate_id
      type: object
      properties:
        coin:
          description: Coin code to swap
          example: BTC
          type: string
        network_from:
          description: Code for a cryptocurrency network of a coin a user will send
          example: BTC
          type: string
        network_to:
          description: Code for a cryptocurrency network of a coin to get
          example: TRC20
          type: string
        deposit_amount:
          description: The amount of coins to be exchanged is specified by a user
          example: 0.01
          type: number
        withdrawal:
          description: >-
            The destination address. LetsExchange will send the exchanged coins
            to this address
          example: TR7NHqjeKQxGTCi8q8ZY4txxxSzgjLj6t
          type: string
        withdrawal_extra_id:
          description: >-
            Additional ID for destination wallet addresses for currencies that
            use extra ID for transaction processing. The field should be empty
            if an extra ID is not provided for a given cryptocurrency. **A
            request without this field is not allowed.**
          example: ''
          type: string
        return:
          description: >-
            A user's address he sent coins from or another one that may be used
            as a refund address if it is necessary
          example: bc1qxygdygjrs2kzq2n0qtyrf2111pxxxxxxxwl0h
          nullable: true
          type: string
        return_extra_id:
          description: >-
            An extra ID for a user's address he sent coins from or another one
            that may be used as a refund address if it is necessary
          example: ''
          nullable: true
          type: string
        rate_id:
          description: 'Rate identifier for a FIXED `{float: false}` rate flow'
          example: n4142vs2-5a55-11a3-344a-0b17163
          type: string
        promocode:
          description: Is a transaction with a promo code
          example: promocodeExample
          nullable: true
          type: string
        email:
          description: User email
          example: example@gmail.com
          nullable: true
          type: string
        affiliate_id:
          description: Affiliate ID

```

--------------------------------

### Get Transactions List Info V2

Source: https://api-doc.letsexchange.io/api-reference/endpoint/v2/transaction/get-transactions-list

Fetches detailed information about transactions using API Version 2.

```APIDOC
## GET /transactions/list/v2

### Description
Returns detailed information about transactions. [API Version 2]

### Method
GET

### Endpoint
/transactions/list/v2

### Parameters

#### Query Parameters
- **limit** (integer) - Optional - The maximum number of transactions to return.
- **offset** (integer) - Optional - The number of transactions to skip before starting to collect the result set.
- **sort** (string) - Optional - The field to sort the transactions by (e.g., 'date', 'amount').
- **order** (string) - Optional - The order of sorting ('asc' or 'desc').

### Request Example
```
GET /transactions/list/v2?limit=10&offset=0&sort=date&order=desc
```

### Response
#### Success Response (200)
- **transactions** (array) - A list of transaction objects.
  - **id** (string) - The unique identifier for the transaction.
  - **date** (string) - The date and time the transaction occurred.
  - **amount** (number) - The amount of the transaction.
  - **currency** (string) - The currency of the transaction.
  - **type** (string) - The type of transaction (e.g., 'deposit', 'withdrawal').
  - **status** (string) - The status of the transaction (e.g., 'completed', 'pending').

#### Response Example
```json
{
  "transactions": [
    {
      "id": "txn_12345",
      "date": "2023-10-27T10:00:00Z",
      "amount": 100.50,
      "currency": "USD",
      "type": "deposit",
      "status": "completed"
    },
    {
      "id": "txn_67890",
      "date": "2023-10-26T15:30:00Z",
      "amount": 50.00,
      "currency": "EUR",
      "type": "withdrawal",
      "status": "pending"
    }
  ]
}
```
```