### Free API Response Structure

Source: https://3dslookup.com/

This is an example JSON response from the free API, detailing card information such as length, LUHN status, scheme, type, brand, country, and bank.

```json
{
  "number": {
    "length": 16,
    "luhn": true
  },
  "scheme": "visa",
  "type": "debit",
  "brand": "CLASSIC",
  "country": {
    "alpha2": "DK",
    "name": "Denmark",
    "emoji": "🇩🇰",
    "currency": "DKK"
  },
  "bank": {
    "name": "Jyske Bank"
  }
}
```

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

### Paid API Response Structure

Source: https://3dslookup.com/

This is an example JSON response from the paid API, indicating 3DS support status, card details, and bank information. Note that 'support3ds' can be 'true' or 'false'.

```json
{
  "status": true,
  "cards": {
    "card": 457173
  },
  "check": "Approved",
  "support3ds": "false",
  "result": "authenticate_attempt_successful",
  "secure": "aacsw.3ds.verifiedbyvisa.com",
  "emoji": "✅",
  "bin": "457173",
  "bank": "VESTJYSK BANK A/S",
  "country": "Denmark",
  "flag": "🇩🇰",
  "scheme": "VISA",
  "type": "DEBIT",
  "brand": "CLASSIC",
  "currency": "DKK"
}
```

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

### Check BIN with Free API (curl)

Source: https://3dslookup.com/

Use this command to check card BIN details with the free API. Ensure you include the 'Accept-Version: 3' header.

```bash
curl -H "Accept-Version: 3" "https://3dslookup.com/check/?bin=457173"
```

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

### Check BIN with Paid API (curl)

Source: https://3dslookup.com/

Use this command to check card BIN details with the paid API on RapidAPI. Replace '[YOUR_RAPIDAPI_KEY]' with your actual key.

```bash
curl -H "x-rapidapi-key: [YOUR_RAPIDAPI_KEY]"   
"https://3ds-lookup.p.rapidapi.com/bin/?bin=457173"
```

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

### Free API - Check BIN

Source: https://3dslookup.com/

This endpoint allows you to check card BIN information and 3D Secure availability for free. It requires a specific API version header.

```APIDOC
## GET /check/

### Description
Checks card BIN information and 3D Secure availability.

### Method
GET

### Endpoint
/check/

### Parameters
#### Query Parameters
- **bin** (string) - Required - The first 6 to 8 digits of the card number (BIN).

### Request Example
```bash
curl -H "Accept-Version: 3" "https://3dslookup.com/check/?bin=457173"
```

### Response
#### Success Response (200)
- **number** (object) - Card number details.
  - **length** (integer) - The length of the card number.
  - **luhn** (boolean) - Indicates if the card number passes the LUHN check.
- **scheme** (string) - The card network scheme (e.g., visa).
- **type** (string) - The card type (e.g., debit, credit).
- **brand** (string) - The card brand (e.g., CLASSIC).
- **country** (object) - Information about the card's issuing country.
  - **alpha2** (string) - The two-letter country code (e.g., DK).
  - **name** (string) - The full country name (e.g., Denmark).
  - **emoji** (string) - The country's emoji flag.
  - **currency** (string) - The country's currency code (e.g., DKK).
- **bank** (object) - Information about the issuing bank.
  - **name** (string) - The name of the issuing bank (e.g., Jyske Bank).

### Response Example
```json
{
  "number": {
    "length": 16,
    "luhn": true
  },
  "scheme": "visa",
  "type": "debit",
  "brand": "CLASSIC",
  "country": {
    "alpha2": "DK",
    "name": "Denmark",
    "emoji": "🇩🇰",
    "currency": "DKK"
  },
  "bank": {
    "name": "Jyske Bank"
  }
}
```
```

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

### Paid API - Check BIN with 3DS Support

Source: https://3dslookup.com/

This endpoint, available via RapidAPI, checks card BIN information and explicitly indicates 3D Secure support. It requires an API key.

```APIDOC
## GET /bin/

### Description
Checks card BIN information and 3D Secure support using RapidAPI.

### Method
GET

### Endpoint
/bin/

### Parameters
#### Query Parameters
- **bin** (string) - Required - The first 6 to 8 digits of the card number (BIN).

#### Request Headers
- **x-rapidapi-key** (string) - Required - Your RapidAPI key.

### Request Example
```bash
curl -H "x-rapidapi-key: [YOUR_RAPIDAPI_KEY]"   "https://3ds-lookup.p.rapidapi.com/bin/?bin=457173"
```

### Response
#### Success Response (200)
- **status** (boolean) - Indicates the status of the request.
- **cards** (object) - Information about the card.
  - **card** (integer) - The BIN number.
- **check** (string) - The result of the check (e.g., Approved).
- **support3ds** (string) - Indicates if 3D Secure is supported ('true' or 'false').
- **result** (string) - The outcome of the authentication attempt.
- **secure** (string) - The secure URL for 3DS verification.
- **emoji** (string) - An emoji indicating the result (e.g., ✅).
- **bin** (string) - The BIN number.
- **bank** (string) - The name of the issuing bank.
- **country** (string) - The name of the issuing country.
- **flag** (string) - The country's emoji flag.
- **scheme** (string) - The card network scheme.
- **type** (string) - The card type.
- **brand** (string) - The card brand.
- **currency** (string) - The currency code.

#### Error Response (404)
Returned if no matching cards are found.

### Response Example
```json
{
  "status": true,
  "cards": {
    "card": 457173
  },
  "check": "Approved",
  "support3ds": "false",
  "result": "authenticate_attempt_successful",
  "secure": "aacsw.3ds.verifiedbyvisa.com",
  "emoji": "✅",
  "bin": "457173",
  "bank": "VESTJYSK BANK A/S",
  "country": "Denmark",
  "flag": "🇩🇰",
  "scheme": "VISA",
  "type": "DEBIT",
  "brand": "CLASSIC",
  "currency": "DKK"
}
```
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.