This listing is posted by the APIs.io catalog. APIs.io does not own or sell this API; we get access information from the provider, Twilio.
The Twilio A2p API offers 5 operations for A2P (application-to-person) messaging, served from messaging.twilio.com. Twilio is a cloud communications platform with APIs for SMS, voice, video, email, identity verification, IoT connectivity and contact center solutions. Developers who send messages from software to people, and teams that manage A2P messaging setup, are the likely users. Twilio says over 10 million developers use its platform, with SDKs for Node.js, Python, Ruby, Java, PHP, C# and Go.
Published for this API: OpenAPI, AsyncAPI, JSON Schema, Arazzo workflows, APIs.json, Documentation and Pricing.
Provider scores in the APIs.io catalog: Kin Score 91.6 (exemplar band). Agent Readiness 52.1 (agent-native band), scored 2026-10-17.
Access: the catalog records this as a paid service with no trial and no public sandbox.
Pricing: set by the provider.
Condition: a live hosted API that you call at the provider's endpoint, listed in the APIs.io catalog.
Catalog listing: https://apis.io/apis/twilio/twilio-a2p-api/ Provider: https://www.twilio.com/