Opik
Opik is an open-source LLM evaluation, testing, and tracing platform developed by Comet ML that enables developers to debug, evaluate, and monitor LLM applications, RAG systems, and agentic workflows. The platform provides a REST API for logging traces and spans, running automated evaluations with LLM-as-a-judge metrics, managing datasets and experiments, and tracking production performance. Opik supports over 40 framework integrations including LangChain, LlamaIndex, and OpenAI, and is available as a self-hosted open-source deployment or as a managed cloud service on Comet's platform.
Opik publishes 39 APIs on the APIs.io network, including Agent Configs API, AI Spend API, Alerts API, and 36 more. Tagged areas include LLM, Evaluation, Observability, Tracing, and Open Source.
The Opik catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.
Opik’s developer surface includes documentation, engineering blog, pricing, changelog, and 18 more developer resources.
Kin Score
APIs 39
Individual APIs this provider publishes, each with its own machine-readable definition.
Opik Agent Configs API
Agent configuration management
Opik AI Spend API
Coding-agent spend analytics
Opik Alerts API
Alert resources
Opik Annotation Queues API
Private annotation queue operations
Opik Assertion Results API
Assertion result related resources
Opik Attachments API
Attachments related resources
Opik Automation rule evaluators API
Automation rule evaluators resource
Opik Chat Completions API
Chat Completions related resources
Opik Check API
Access check resources
Opik Dashboards API
Workspace Dashboard resources
Opik Datasets API
Dataset resources
Opik Environments API
Environment related resources
Opik Experiments API
Experiment resources
Opik Feedback-definitions API
Feedback definitions related resources
Opik Guardrails API
Guardrails related resources
Opik Insights Views API
Insights View resources
Opik Is Alive API
The Is Alive API from Opik — 2 operation(s) for is alive.
Opik LLM Models API
LLM model registry resources
Opik LlmProviderKey API
LLM Provider Key
Opik Manual Evaluation API
Manual evaluation resources for traces, threads, and spans
Opik MCP OAuth API
MCP OAuth 2.1 Authorization Server resources
Opik Ollama API
Ollama provider configuration endpoints with OpenAI-compatible API support.
Opik Ollie State API
Ollie pod state persistence
Opik OpenTelemetry Ingestion API
Resource to ingest Traces and Spans via OpenTelemetry
Opik Optimizations API
Optimization resources
Opik Pairing API
Pairing sessions for the `opik connect` and `opik endpoint` CLI commands
Opik Projects API
Project related resources
Opik Prompts API
Prompt resources
Opik Redirect API
Redirects for SDK generated links
Opik Reports API
Ollie daily report management
Opik Retention Rules API
Data retention rule management
Opik Runners API
Local runner management endpoints
Opik Service Toggles API
Service Toggles resources
Opik Spans API
Span related resources
Opik System usage API
System usage related resource
Opik Traces API
Trace related resources
Opik Welcome Wizard API
Welcome wizard tracking resources
Opik Workspace permissions API
Workspace permissions related resources
Opik Workspaces API
Workspace related resources
Scroll for all 39
Pricing Plans 1
Published pricing tiers and plan structures.
Opik Plans Pricing
PLANSRate Limits 1
Documented rate limits and quota policies.
Opik Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Opik Finops
FINOPSSemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Opik Context
JSON-LDSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
Opik API Rules
SPECTRALJSON Schema 3
Standalone JSON Schema definitions for this provider's data models.
Examples 3
Example request and response payloads for these APIs.
Security Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Documentation 5
Reference material describing how the API behaves
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Build 2
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Operate 4
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Other 1
Properties that don't map to a standard resource type