Retell AI Create Chat Completion API
The Create Chat Completion API from Retell AI — 1 operation(s) for create chat completion.
Retell AI Create Chat Completion API is one of 78 APIs that Retell AI publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.
Tagged areas include Create Chat Completion. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an AsyncAPI specification, and pricing.
This API exposes 1 operation across 1 path, and defines 11 schemas. It is described by OpenAPI 3.0.3, at version 3.0.0.
Requests are made against a single base URL, https://api.retellai.com.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
Retell AI Create Chat Completion API declares
1 security scheme
for authenticating requests.
It accepts HTTP bearer tokens (string) (api_key).
By default, every request must be authenticated.
api_key— Authentication header containing API key (find it in dashboard). The format is "Bearer YOURAPIKEY"
Paths & Operations 1
Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.
Schemas 11
The contract defines 11 schemas that model the data the API accepts and returns. The most detailed are NodeTransitionMessageBase (8 properties), ToolCallInvocationMessageBase (7 properties), ToolCallResultMessageBase (6 properties), StateTransitionMessageBase (5 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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Other APIs Retell AI publishes across the network.