# Indigenius Developer Docs > Official docs for the Indigenius Developer API. ## Docs - [Analytics](https://docs.indigenius.ai/analytics.md): Read dashboard and performance analytics for calls and channels. - [API Reference](https://docs.indigenius.ai/api-reference.md): Complete endpoint reference for the Developer API v1. - [Assistants](https://docs.indigenius.ai/assistants.md): Create, fetch, list, and update assistants with DTO-accurate request examples. - [Auth & Keys](https://docs.indigenius.ai/auth-keys.md): Manage developer keys, scopes, rotation, and revocation. - [Authentication](https://docs.indigenius.ai/authentication.md): Authenticate requests with your developer API key. - [Billing](https://docs.indigenius.ai/billing.md): Read billing history, transactions, plan details, and currencies. - [Calls](https://docs.indigenius.ai/calls.md): Initiate calls and retrieve call details, transcripts, and analysis. - [Changelog](https://docs.indigenius.ai/changelog.md): Track notable updates to the Indigenius Developer API. - [Create Studio](https://docs.indigenius.ai/create-studio.md): Text-to-speech, speech-to-text, dubbing, voices, and media download endpoints. - [Errors](https://docs.indigenius.ai/errors.md): Understand error response patterns and troubleshooting flow. - [Overview](https://docs.indigenius.ai/index.md): Build with the Indigenius Developer API. - [Phone](https://docs.indigenius.ai/phone.md): Manage numbers, contacts, assistant allocation, and scheduled calls. - [Quickstart](https://docs.indigenius.ai/quickstart.md): Send your first request to the Indigenius Developer API. - [Rate Limits](https://docs.indigenius.ai/rate-limits.md): Understand API rate limiting behavior and best practices. - [Webhook History](https://docs.indigenius.ai/webhook-history.md): Inspect webhook delivery logs for observability and troubleshooting. - [Webhooks](https://docs.indigenius.ai/webhooks.md): Receive event notifications from Indigenius in near real time. - [Widgets](https://docs.indigenius.ai/widgets.md): Manage widgets and create widget call sessions. - [Workflows](https://docs.indigenius.ai/workflows.md): Create, manage, run, schedule, and monitor workflows. ## OpenAPI Specs - [developer-v1](https://docs.indigenius.ai/openapi/developer-v1.json)