PostHog LLM Analytics API is one of 139 APIs that PostHog publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.
Tagged areas include LLM Analytics. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a getting-started guide, authentication docs, and an AsyncAPI specification.
This API exposes
106 operations
across 58 paths,
and defines 120 schemas.
It is described by OpenAPI 3.2.0, at version 1.0.0.
Requests are made against a single base URL, https://app.posthog.com/api.
106 operations58 paths120 schemas12 DELETE37 GET14 PATCH35 POST8 PUT
Metadata
The identity and technical contract details declared by the specification.
Specification
OpenAPI 3.2.0
API Version
1.0.0
Base URL
https://app.posthog.com/api
Authentication
HTTP Bearer
Resource Areas
1
Authentication & Security 1
PostHog LLM Analytics API declares
1 security scheme
for authenticating requests.
It accepts HTTP bearer tokens (PersonalAPIKeyAuth).
Paths & Operations 106
Across 58 paths, the API surfaces 106 operations — 12 DELETE, 37 GET, 14 PATCH, 35 POST, 8 PUT. Each is listed below with its method, path, parameters, and response codes.
Generate an AI-powered summary of evaluation results. This endpoint analyzes evaluation runs and identifies patterns in passing and failing evaluations, providing actionable recommendations. Data is…
Generate an AI-powered summary of an LLM trace or event. This endpoint analyzes the provided trace/event, generates a line-numbered text representation, and uses an LLM to create a concise summary wi…
Check which traces have cached summaries available. This endpoint allows batch checking of multiple trace IDs to see which ones have cached summaries. Returns only the traces that have cached summari…
Generate a human-readable text representation of an LLM trace event. This endpoint converts LLM analytics events ($aigeneration, $aispan, $aiembedding, or $aitrace) into formatted text representation…
Hard delete of this model is not allowed. Use a patch API call to set "deleted" to true
dataset_items_destroy2 params→ 405
GET
/api/projects/{project_id}/datasets/
datasets_list6 params→ 200
POST
/api/projects/{project_id}/datasets/
datasets_create1 parambody→ 201
GET
/api/projects/{project_id}/datasets/{id}/
datasets_retrieve2 params→ 200
PUT
/api/projects/{project_id}/datasets/{id}/
datasets_update2 paramsbody→ 200
PATCH
/api/projects/{project_id}/datasets/{id}/
datasets_partial_update2 paramsbody→ 200
DELETE
/api/projects/{project_id}/datasets/{id}/
Hard delete of this model is not allowed. Use a patch API call to set "deleted" to true
datasets_destroy2 params→ 405
Schemas 120
The contract defines 120 schemas that model the data the API accepts and returns. The most detailed are LLMSkillCreate (19 properties), LLMSkill (19 properties), EvaluationReport (18 properties), PatchedEvaluationReport (18 properties). Each schema is shown below with its type and property counts.
triallimitreached - Trial evaluation limit reached modelnotallowed - Model not available on the trial plan providerkeydeleted - Provider API key was deleted
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