Need help with your APIs? I offer API discovery, governance & evangelism services. Explore services →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Waxell Telemetry API

LLM calls, spans, steps, and quality scores recorded against a run

Waxell Telemetry API is one of 6 APIs that Waxell publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 6 JSON Schema definitions.

Tagged areas include Telemetry. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, authentication docs, and 6 JSON Schemas.

This API exposes 4 operations across 4 paths, and defines 4 schemas. It is described by OpenAPI 3.0.3, at version 1.0.

Requests are made against a single base URL, https://{tenant}.waxell.dev.

4 operations 4 paths 4 schemas 4 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
1.0
Base URL
https://{tenant}.waxell.dev/api/v1/observe
Authentication
API Key, HTTP Bearer
Contact
License
Proprietary
Resource Areas
1

Authentication & Security 2

Waxell Telemetry API declares 2 security schemes for authenticating requests. An API key is passed in the header as X-Wax-Key (WaxKey). It accepts HTTP bearer tokens (wax_sk) (BearerAuth). By default, every request must be authenticated.

  • WaxKey — Waxell API key issued in the dashboard. Format waxsk....
  • BearerAuth — Same waxsk key passed as a Bearer token.

Paths & Operations 4

Across 4 paths, the API surfaces 4 operations — 4 POST. Each is listed below with its method, path, parameters, and response codes.

Telemetry 4

LLM calls, spans, steps, and quality scores recorded against a run

POST
/api/v1/observe/runs/{run_id}/llm-calls/
Record LLM Call
recordLlmCall 1 param body → 201
POST
/api/v1/observe/runs/{run_id}/steps/
Record Step
recordStep 1 param body → 201
POST
/api/v1/observe/runs/{run_id}/spans/
Record Span
recordSpan 1 param body → 201
POST
/api/v1/observe/runs/{run_id}/scores/
Record Score
recordScore 1 param body → 201

Schemas 4

The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are LlmCall (10 properties), Span (7 properties), Step (7 properties), Score (4 properties). Each schema is shown below with its type and property counts.

Step
object
7 properties
Span
object
7 properties
Score
object
4 properties 2 required
LlmCall
object
10 properties 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

waxell-telemetry-api-openapi.yml Raw ↑

Other APIs Waxell publishes across the network.

Waxell Developer MCP Server
Waxell Cost Management API
Waxell Governance API
Waxell Prompts API
Waxell Runs API