Vonage

Vonage Messages API

Multi-channel messaging API supporting SMS, WhatsApp, Facebook Messenger, Viber, MMS, and RCS. Send and receive messages across multiple channels with a unified API interface.

GitHub OpenAPI

Documentation

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Documentation
https://developer.vonage.com/en/api/messages-olympus

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/openapi/vonage-openapi.yml

Other Resources

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BaseURL
https://api.nexmo.com/v1/messages

OpenAPI Specification

vonage-openapi.yml Raw ↑