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 call by ID](https://www.quo.com/docs/mdx/api-reference/calls/get-a-call-by-id.md): Get a call by its unique identifier. - [Get a summary for a call](https://www.quo.com/docs/mdx/api-reference/calls/get-a-summary-for-a-call.md): Retrieve a detailed summary of a specific call identified by its unique call ID. This endpoint supports summaries for both regular calls and calls handled by Sona. Call summaries are only available on business and scale plans. - [Get a transcription for a call](https://www.quo.com/docs/mdx/api-reference/calls/get-a-transcription-for-a-call.md): Retrieve a detailed transcript of a specific call identified by its unique call ID. This endpoint supports transcripts for both regular calls and calls handled by Sona. Call transcripts are only available on business and scale plans. - [Get a voicemail for a call](https://www.quo.com/docs/mdx/api-reference/calls/get-a-voicemail-for-a-call.md): Retrieve a voicemail associated with a specific call. Returns null data fields while the voicemail is processing in our system. Returns competed data fields when the voicemail has finished processing. - [Get contact custom fields](https://www.quo.com/docs/mdx/api-reference/contact-custom-fields/get-contact-custom-fields.md): Custom contact fields enhance your Quo contacts with additional information beyond standard details like name, company, role, emails and phone numbers. These user-defined fields let you capture business-specific data. While you can only create or modify these fields in Quo itself, this endpoint retr… - [List contacts](https://www.quo.com/docs/mdx/api-reference/contacts/list-contacts.md): Retrieve a paginated list of contacts. You can optionally filter the results by providing external IDs and sources. When no external IDs are provided, all contacts for the organization are returned. - [Create a contact](https://www.quo.com/docs/mdx/api-reference/contacts/create-a-contact.md): Create a contact for a workspace. - [Get a contact by ID](https://www.quo.com/docs/mdx/api-reference/contacts/get-a-contact-by-id.md): Retrieve detailed information about a specific contact in your Quo workspace using the contact's unique identifier. - [Delete a contact](https://www.quo.com/docs/mdx/api-reference/contacts/delete-a-contact.md): Delete a contact by its unique identifier. - [Update a contact by ID](https://www.quo.com/docs/mdx/api-reference/contacts/update-a-contact-by-id.md): Modify an existing contact in your Quo workspace using the contact's u […gekürzt]