# Twilio API (reference provider)

**Canonical:** https://apis.io/apis/agent-readiness/twilio-api/  
**Provider:** Agent Readiness — https://apis.io/providers/agent-readiness/  
**Base URL:** https://api.twilio.com  
**Documentation:** https://www.twilio.com/docs

Twilio API (reference provider) is one of 15 APIs that [Agent Readiness](https://apis.io/providers/agent-readiness/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Messaging, Agent Readiness, and Reference Provider. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

Reference provider with strong agent-readiness signals on the messaging side — published OpenAPI, idempotency on resource creation, structured error codes, signed webhooks, status page, and SDKs in every major language.

## Machine-readable artifacts (2)

- **Documentation** — https://www.twilio.com/docs
- **OpenAPI** — https://github.com/twilio/twilio-oai

## Other Agent Readiness APIs (12)

- [Model Context Protocol (MCP)](https://apis.io/apis/agent-readiness/model-context-protocol/)
- [OpenAPI Specification](https://apis.io/apis/agent-readiness/openapi-initiative/)
- [AsyncAPI Specification](https://apis.io/apis/agent-readiness/asyncapi-initiative/)
- [JSON Schema](https://apis.io/apis/agent-readiness/json-schema/)
- [Agent Skills](https://apis.io/apis/agent-readiness/agent-skills/)
- [/.well-known/api-catalog (RFC 9727)](https://apis.io/apis/agent-readiness/well-known-api-catalog/)
- [HTTP Message Signatures (RFC 9421)](https://apis.io/apis/agent-readiness/rfc-9421-http-message-signatures/)
- [Web Bot Auth (draft)](https://apis.io/apis/agent-readiness/web-bot-auth/)
- [Content-Usage / AIPREF (IETF AIPREF WG)](https://apis.io/apis/agent-readiness/content-usage-aipref/)
- [Cloudflare Content Signals](https://apis.io/apis/agent-readiness/cloudflare-content-signals/)
- [APIs.json](https://apis.io/apis/agent-readiness/apis-json/)
- [OpenID Connect](https://apis.io/apis/agent-readiness/openid-connect/)

## Tags

Messaging, Agent Readiness, Reference Provider

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/agent-readiness/twilio-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/agent-readiness/.