# Fixie sip API

**Canonical:** https://apis.io/apis/fixie/fixie-sip-api/  
**Provider:** Fixie — https://apis.io/providers/fixie/  
**Base URL:** https://api.ultravox.ai/api  
**Documentation:** https://docs.ultravox.ai/

Fixie sip API is one of 14 APIs that [Fixie](https://apis.io/providers/fixie/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification. Tagged areas include SIP. The published artifact set on APIs.io includes an OpenAPI specification, authentication docs, and an AsyncAPI specification.

The sip API from Fixie — 3 operation(s) for sip.

## Machine-readable artifacts (10)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/openapi/fixie-sip-api-openapi.yml
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/authentication/fixie-authentication.yml
- **AgenticAccess** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/agentic-access/fixie-agentic-access.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/conventions/fixie-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/errors/fixie-problem-types.yml
- **Lifecycle** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/lifecycle/fixie-lifecycle.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/data-model/fixie-data-model.yml
- **Conformance** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/conformance/fixie-conformance.yml
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/asyncapi/fixie-webhooks.yml
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/fixie/refs/heads/main/asyncapi/fixie-webhooks.yml

## Other Fixie APIs (12)

- [Fixie accounts API](https://apis.io/apis/fixie/fixie-accounts-api/)
- [Fixie agents API](https://apis.io/apis/fixie/fixie-agents-api/)
- [Fixie api_keys API](https://apis.io/apis/fixie/fixie-api-keys-api/)
- [Fixie call_throttles API](https://apis.io/apis/fixie/fixie-call-throttles-api/)
- [Fixie calls API](https://apis.io/apis/fixie/fixie-calls-api/)
- [Fixie corpora API](https://apis.io/apis/fixie/fixie-corpora-api/)
- [Fixie deleted_calls API](https://apis.io/apis/fixie/fixie-deleted-calls-api/)
- [Fixie models API](https://apis.io/apis/fixie/fixie-models-api/)
- [Fixie schema API](https://apis.io/apis/fixie/fixie-schema-api/)
- [Fixie telephony_configs API](https://apis.io/apis/fixie/fixie-telephony-configs-api/)
- [Fixie tools API](https://apis.io/apis/fixie/fixie-tools-api/)
- [Fixie voices API](https://apis.io/apis/fixie/fixie-voices-api/)

## Tags

SIP

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/fixie/fixie-sip-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/fixie/.