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The Flextell API gives you programmatic access to communication and connectivity services over a standard REST interface. You interact with it using any HTTP client, and all data is exchanged as JSON.

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What you can build

The Flextell API is designed for developers who need to embed communication and connectivity capabilities directly into their applications. Common use cases include:
  • Automating message delivery and notifications
  • Integrating communication workflows into existing backends
  • Building custom dashboards and reporting tools on top of Flextell data
  • Connecting third-party systems via webhooks and API calls

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Key capabilities

OAuth 2.0 security — Every request is authenticated with a bearer token issued through the OAuth 2.0 Authorization Code flow. Your credentials are never sent directly with API requests. REST + JSON — The API follows REST conventions. Resources are accessed via standard HTTP methods (GET, POST, PUT, DELETE), and all request and response bodies use JSON. Single base URL — All endpoints share a single base URL: 
https://dev.flextell.ai/api
Current version — The API is currently at version v0.0.1. Breaking changes will be communicated in advance.
All requests must be made over HTTPS. Requests over plain HTTP will be rejected.

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Next steps

Quick Start

Make your first authenticated API call in a few minutes.

Authentication

Learn how OAuth 2.0 works and how to obtain an access token.