A single app for all your communications: with iO, you can make calls and video calls, and send messages, pictures and videos free of charge. Creating group chats is easy and you can have even more fun with LiveChat and VideoChat.

API styles

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Developer docs

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API Reference

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Webhooks

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Webhooks management API

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Sandbox environment

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Authentication

Identity protocols

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SSO / Social login

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OAuth playground

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GraphQL playground

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API Explorer

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Postman / Insomnia collections

OpenAPI/Swagger specs

Free developer account

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App listing requirements

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Pagination style

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CLI

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Query Language

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Community

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GitHub

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Custom object support

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Stackoverflow tags

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Integrations

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Ecosystem

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API pricing

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API rate limits

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API changelog

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Status page

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Open-source

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Tutorials

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Samples & examples

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Base endpoint

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GraphQL endpoint

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IDE Extensions

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Estimated developers

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Estimated customers

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Estimated users

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