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Telnyx Invoices API

The Invoices API from Telnyx — 2 operation(s) for invoices.

Telnyx Invoices API is one of 169 APIs that Telnyx publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Invoices. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 2 operations across 2 paths, and defines 4 schemas. It is described by OpenAPI 3.2.0, at version 2.0.0.

Requests are made against a single base URL, https://api.telnyx.com/v2.

2 operations 2 paths 4 schemas 2 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
2.0.0
Base URL
https://api.telnyx.com/v2
Authentication
HTTP Bearer, HTTP Bearer, OAuth 2.0, HTTP Bearer, HTTP Bearer, HTTP Bearer
Resource Areas
1

Authentication & Security 6

Telnyx Invoices API declares 6 security schemes for authenticating requests. It accepts HTTP bearer tokens (bearerAuth). It accepts HTTP bearer tokens (branded-calling_bearerAuth). It supports OAuth 2.0 (oauthClientAuth) using the authorizationCode and clientCredentials flows, exposing 1 scope. It accepts HTTP bearer tokens (JWT) (outbound-voice-profiles_bearerAuth). It accepts HTTP bearer tokens (pronunciation-dicts_bearerAuth). It accepts HTTP bearer tokens (JWT) (stored-payment-transactions_bearerAuth). By default, every request must be authenticated.

  • branded-calling_bearerAuth — API key passed as a Bearer token in the Authorization header
  • oauthClientAuth — OAuth 2.0 authentication for Telnyx API and MCP integrations
  • pronunciation-dicts_bearerAuth — Telnyx API v2 key. Obtain from https://portal.telnyx.com

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 GET. Each is listed below with its method, path, parameters, and response codes.

Invoices 2
GET
/invoices
List invoices
ListInvoices 2 params → 200403default
GET
/invoices/{id}
Get invoice by ID
GetInvoiceById 2 params → 200400403404default

Schemas 4

The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are InvoiceDetail (7 properties), Invoice (6 properties), invoice_Error (5 properties), invoice_Errors (1 property). Each schema is shown below with its type and property counts.

invoice_Errors
object
1 property
InvoiceDetail
object
7 properties
invoice_Error
object
5 properties 2 required
Invoice
object
6 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

telnyx-invoices-api-openapi.yml Raw ↑

Other APIs Telnyx publishes across the network.

Telnyx Access Tokens API
Telnyx Addresses API
Telnyx Advanced Number Orders API
Telnyx Assistants API
Telnyx Audio API
Telnyx Audit Logs API
Telnyx Authentication Providers API
Telnyx AutoRechargePreferences API
Telnyx Billing API
Telnyx Billing Groups API
Telnyx Brands API
Telnyx Bucket SSL Certificate API
Where this information came from

This is an independent, third-party profile of Telnyx Invoices API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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