### Send Webhook via cURL

Source: https://www.standardwebhooks.com/simulate

Use this command to test your webhook handler endpoint with the required headers and payload.

```bash
curl -X POST "https://example.com/api/webhook-handler" \
-H "Accept: application/json" \
-H "Content-Type: application/json" \
-H "webhook-id: msg_22GCJTnJDKOun1Of" \
-H "webhook-timestamp: 1775531544" \
-H "webhook-signature: v1,IPp+gt2l30hbEbqWqDKK26SQc3zjToR589vRusoEqO4=" \
-d '{"event_type":"ping","data":{"success":true}}'
```

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

### Send Webhook via cURL

Source: https://www.standardwebhooks.com/simulate/standard

Use this command to test your webhook handler endpoint with the required headers and payload.

```bash
curl -X POST "https://example.com/api/webhook-handler" \
-H "Accept: application/json" \
-H "Content-Type: application/json" \
-H "webhook-id: msg_k56BjGjaCB6dnfVQ" \
-H "webhook-timestamp: 1775531578" \
-H "webhook-signature: v1,M0991n/RcXGGAQCYWnhGW7aaC0cvYwUXf+s5lLS4+7M=" \
-d '{"event_type":"ping","data":{"success":true}}'
```

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

### Standard Webhook Signature Generation

Source: https://www.standardwebhooks.com/verify/standard

Demonstrates the structure of the content used for HMAC-SHA256 signature generation in Standard webhooks. Concatenates ID, timestamp, and payload with a full stop.

```text
HMACSHA256(
  id + '.' + timestamp + '.' + payload,
  secret
)
```

```json
{"event_type":"ping","data":{"success":true}}
```

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

### Generate HMAC SHA-256 signature

Source: https://www.standardwebhooks.com/verify

The signature is generated by concatenating the id, timestamp, and payload with full-stop separators, then hashing with HMAC-SHA256.

```text
HMACSHA256(
<id> + '.' + <timestamp> + '.' + <payload>,
<secret>
)
```

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

### Generate Webhook Signature

Source: https://www.standardwebhooks.com/simulate

The signature is generated using HMACSHA256 with the webhook ID, timestamp, and raw payload.

```text
HMACSHA256(
+ '.' +
+ '.{raw_payload}',
)
```

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