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OpenAPI Specification
openapi: 3.2.0
info:
title: Grafana Tempo HTTP Health Traces API
description: The Grafana Tempo HTTP API provides endpoints for querying distributed traces, searching spans with TraceQL, discovering tag keys and values, and generating metrics from trace data. Tempo is compatible with Jaeger, Zipkin, and OpenTelemetry trace ingestion and query protocols. The API runs on the Tempo HTTP port (default 3200).
version: 2.x
contact:
name: Grafana Tempo Community
url: https://community.grafana.com/c/grafana-tempo/
email: tempo@grafana.com
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://localhost:3200
description: Local Tempo instance (default)
- url: http://tempo:3200
description: Kubernetes service endpoint
tags:
- name: Traces
description: Retrieve individual traces by trace ID
paths:
/api/traces/{traceID}:
get:
operationId: getTrace
summary: Get Trace By ID
description: Retrieve a complete trace by its trace ID. Returns all spans belonging to the trace in JSON format. Supports deep object storage search when the trace is not in recent cache.
tags:
- Traces
parameters:
- name: traceID
in: path
required: true
description: Hexadecimal trace identifier
schema:
type: string
pattern: ^[0-9a-fA-F]{16,32}$
- name: start
in: query
required: false
description: Unix epoch start time for search window (seconds)
schema:
type: integer
format: int64
- name: end
in: query
required: false
description: Unix epoch end time for search window (seconds)
schema:
type: integer
format: int64
responses:
'200':
description: Trace found and returned
content:
application/json:
schema:
$ref: '#/components/schemas/Trace'
'404':
description: Trace not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
components:
schemas:
Trace:
type: object
description: A complete distributed trace containing all spans
properties:
batches:
type: array
description: OTLP resource span batches
items:
type: object
properties:
resource:
type: object
description: Resource attributes (service name, version, etc.)
properties:
attributes:
type: array
items:
$ref: '#/components/schemas/KeyValue'
scopeSpans:
type: array
description: Spans grouped by instrumentation scope
items:
type: object
properties:
scope:
type: object
properties:
name:
type: string
version:
type: string
spans:
type: array
items:
$ref: '#/components/schemas/Span'
Error:
type: object
description: API error response
properties:
error:
type: string
description: Error message
KeyValue:
type: object
description: An attribute key-value pair
properties:
key:
type: string
value:
type: object
Span:
type: object
description: A single operation within a distributed trace
properties:
traceId:
type: string
description: Trace identifier (hex)
spanId:
type: string
description: Span identifier (hex)
parentSpanId:
type: string
description: Parent span identifier (hex)
name:
type: string
description: Operation name
kind:
type: integer
description: Span kind (0=unspecified, 1=internal, 2=server, 3=client, 4=producer, 5=consumer)
startTimeUnixNano:
type: string
description: Start time in nanoseconds since Unix epoch
endTimeUnixNano:
type: string
description: End time in nanoseconds since Unix epoch
attributes:
type: array
description: Span attributes
items:
$ref: '#/components/schemas/KeyValue'
status:
type: object
description: Span status
properties:
code:
type: integer
description: Status code (0=unset, 1=ok, 2=error)
message:
type: string
externalDocs:
description: Grafana Tempo API Documentation
url: https://grafana.com/docs/tempo/latest/api_docs/