Helicone Agent API is one of 33 APIs that Helicone publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Agents. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a getting-started guide, pricing, an API reference, and an engineering blog.
This API exposes
9 operations
across 8 paths,
and defines 35 schemas.
It is described by OpenAPI 3.2.0, at version 1.0.0.
Requests are made against 2 base URLs: https://api.helicone.ai/, http://localhost:8585/.
9 operations8 paths35 schemas1 DELETE2 GET6 POST
Metadata
The identity and technical contract details declared by the specification.
Specification
OpenAPI 3.2.0
API Version
1.0.0
Base URL
https://ai-gateway.helicone.ai
Authentication
API Key
License
MIT
Resource Areas
1
Authentication & Security 1
Helicone Agent API declares
1 security scheme
for authenticating requests.
An API key is passed in the header as Authorization (api_key).
Across 8 paths, the API surfaces 9 operations — 1 DELETE, 2 GET, 6 POST. Each is listed below with its method, path, parameters, and response codes.
Agent 9
POST
/v1/agent/generate
Generate
Generatebody→ 200
POST
/v1/agent/thread/{sessionId}/message
Upsert thread message
UpsertThreadMessage1 parambody→ 200
DELETE
/v1/agent/thread/{sessionId}
Delete thread
DeleteThread1 param→ 200
GET
/v1/agent/thread/{sessionId}
Get thread
GetThread1 param→ 200
POST
/v1/agent/thread/{sessionId}/escalate
Escalate thread
EscalateThread1 param→ 200
POST
/v1/agent/thread/create-and-escalate
Create and escalate thread
CreateAndEscalateThread→ 200
POST
/v1/agent/thread/{sessionId}/reopen
Reopen thread
ReopenThread1 param→ 200
GET
/v1/agent/threads
Get all threads
GetAllThreads→ 200
POST
/v1/agent/mcp/search
Search docs
SearchDocsbody→ 200
Schemas 35
The contract defines 35 schemas that model the data the API accepts and returns. The most detailed are OpenAIChatRequest (31 properties), InAppThread (9 properties), ThreadSummary (8 properties), ChatCompletion (8 properties). Each schema is shown below with its type and property counts.
ChatCompletionMessage.FunctionCall
object
2 properties2 required
ChatCompletionMessageFunctionToolCall
object
A call to a function tool created by the model.
3 properties3 required
ChatCompletionMessageToolCall
A call to a function tool created by the model.
ChatCompletionTokenLogprob
object
4 properties4 required
ResultSuccess_ThreadSummary-Array_
object
2 properties2 required
ChatCompletionAudio
object
If the audio output modality is requested, this object contains data about the audio response from the model. [Learn more](https://platform.openai.com/docs/gui…
4 properties4 required
Result_string.string_
ChatCompletion
object
Represents a chat completion response returned by model, based on the provided input.
8 properties5 required
Record_string.string_
object
Construct a type with a set of properties K of type T
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