API Reference

Phonovation was previously called InteractSMS. The current platform is listed as InteractSMS 1.5 in the version selector, and its API URLs continue to use interactsms.com hostnames.

Base URL

All API requests are made to:

Base URL

https://api.interactsms.com/api/v2

Authentication

Authenticate by first obtaining an access token from:

https://auth.interactsms.com/token

Token endpoint

https://auth.interactsms.com/token

Then include the access token in the Authorization header on every API request:

Authorization header

Authorization: Bearer YOUR_ACCESS_TOKEN

Request format

All request bodies should be JSON with Content-Type: application/json.

Response codes

Code	Meaning
`200`	OK — request succeeded
`201`	Created — resource created successfully
`400`	Bad Request — invalid parameters
`401`	Unauthorized — invalid or missing access token
`422`	Unprocessable Entity — validation error
`429`	Too Many Requests — rate limit exceeded
`500`	Internal Server Error

Last modified on July 16, 2026

Overview

Authentication

Campaigns

Account

Webhooks

Base URL

Authentication

Request format

Response codes

​Base URL

​Authentication

​Request format

​Response codes

Base URL

Authentication

Request format

Response codes