Telnyx · Schema
webhook_delivery
Record of all attempts to deliver a webhook.
CommunicationsCPaaSVoiceSMSIoTTelecommunicationsMessagingArtificial IntelligenceMCPVoice AIPhone NumbersInferenceNumber VerificationPhone VerificationOTP2FALookupVerifyNumber LookupCNAMIdentityFraud Prevention
Properties
| Name | Type | Description |
|---|---|---|
| attempts | array | Detailed delivery attempts, ordered by most recent. |
| finished_at | string | ISO 8601 timestamp indicating when the last webhook response has been received. |
| id | string | Uniquely identifies the webhook_delivery record. |
| record_type | string | Identifies the type of the resource. |
| started_at | string | ISO 8601 timestamp indicating when the first request attempt was initiated. |
| status | string | Delivery status: 'delivered' when successfuly delivered or 'failed' if all attempts have failed. |
| user_id | string | Uniquely identifies the user that owns the webhook_delivery record. |
| webhook | object | Original webhook JSON data. Payload fields vary according to event type. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/telnyx/json-schema/telnyx-webhook-delivery-schema.json",
"title": "webhook_delivery",
"description": "Record of all attempts to deliver a webhook.",
"x-generated": "2026-10-30",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/telnyx-webhooks-api-openapi.yml#/components/schemas/webhook_delivery",
"properties": {
"attempts": {
"description": "Detailed delivery attempts, ordered by most recent.",
"items": {
"$ref": "#/$defs/attempt"
},
"type": "array"
},
"finished_at": {
"description": "ISO 8601 timestamp indicating when the last webhook response has been received.",
"format": "date-time",
"type": "string"
},
"id": {
"description": "Uniquely identifies the webhook_delivery record.",
"format": "uuid",
"type": "string"
},
"record_type": {
"description": "Identifies the type of the resource.",
"type": "string"
},
"started_at": {
"description": "ISO 8601 timestamp indicating when the first request attempt was initiated.",
"format": "date-time",
"type": "string"
},
"status": {
"description": "Delivery status: 'delivered' when successfuly delivered or 'failed' if all attempts have failed.",
"enum": [
"delivered",
"failed"
],
"type": "string"
},
"user_id": {
"description": "Uniquely identifies the user that owns the webhook_delivery record.",
"format": "uuid",
"type": "string"
},
"webhook": {
"description": "Original webhook JSON data. Payload fields vary according to event type.",
"properties": {
"event_type": {
"description": "The type of event being delivered.",
"type": "string"
},
"id": {
"description": "Identifies the type of resource.",
"format": "uuid",
"type": "string"
},
"occurred_at": {
"description": "ISO 8601 datetime of when the event occurred.",
"format": "date-time",
"type": "string"
},
"payload": {
"additionalProperties": true,
"type": "object"
},
"record_type": {
"description": "Identifies the type of the resource.",
"enum": [
"event"
],
"type": "string"
}
},
"type": "object"
}
},
"$defs": {
"attempt": {
"description": "Webhook delivery attempt details.",
"properties": {
"errors": {
"description": "Webhook delivery error codes.",
"items": {
"type": "integer"
},
"type": "array"
},
"finished_at": {
"description": "ISO 8601 timestamp indicating when the attempt has finished.",
"format": "date-time",
"type": "string"
},
"http": {
"$ref": "#/$defs/http"
},
"started_at": {
"description": "ISO 8601 timestamp indicating when the attempt was initiated.",
"format": "date-time",
"type": "string"
},
"status": {
"enum": [
"delivered",
"failed"
],
"type": "string"
}
}
},
"http": {
"description": "HTTP request and response information.",
"properties": {
"request": {
"description": "Request details.",
"properties": {
"headers": {
"$ref": "#/$defs/http_headers"
},
"url": {
"type": "string"
}
}
},
"response": {
"description": "Response details, optional.",
"properties": {
"body": {
"description": "Raw response body, limited to 10kB.",
"type": "string"
},
"headers": {
"$ref": "#/$defs/http_headers"
},
"status": {
"type": "integer"
}
},
"type": "object"
}
}
},
"http_headers": {
"description": "List of headers, limited to 10kB.",
"items": {
"items": {
"type": "string"
},
"type": "array"
},
"type": "array"
}
}
}
Work with this as data
Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for schemas
4 MCP tools reach this
find_json_schemasBrowse and filter every JSON Schema in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/telnyx-webhook-delivery"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.