OpenPhone

# Quo Docs ## Docs - [Introduction](https://www.quo.com/docs/mdx/api-reference/introduction.md): Welcome to the Quo API! - [Authentication](https://www.quo.com/docs/mdx/api-reference/authentication.md): Learn how to gain API access. - [Send your first message](https://www.quo.com/docs/mdx/api-reference/send-your-first-message.md): This is a step-by-step guide for sending your first text message. - [Partner directory](https://www.quo.com/docs/mdx/api-reference/partner-directory.md): Connect with experts to achieve your customer communications goals. - [API response codes](https://www.quo.com/docs/mdx/api-reference/error-codes.md): Quo uses standard HTTP response codes to indicate request status. - [Changelog](https://www.quo.com/docs/mdx/api-reference/changelog.md): Stay up to date with the latest improvements to the API. View [main product Changelog.](https://support.quo.com/changelog) - [Rate limits](https://www.quo.com/docs/mdx/api-reference/rate-limits.md): Quo implements rate limiting to ensure API stability and fair usage. - [Get recordings for a call](https://www.quo.com/docs/mdx/api-reference/calls/get-recordings-for-a-call.md): Retrieve a list of recordings associated with a specific call. The results are sorted chronologically, with the oldest recording segment appearing first in the list. - [List calls](https://www.quo.com/docs/mdx/api-reference/calls/list-calls.md): Fetch a paginated list of calls associated with a specific Quo number and another number. - [Get a […truncated]