Loki website screenshot

Loki

Loki is an open source log aggregation system from Grafana Labs designed to store and query logs efficiently using labels instead of full-text indexing.

Loki publishes 5 APIs on the APIs.io network, including Config API, Loki API, Metrics API, and 2 more. Tagged areas include Logging, Observability, Open Source, and Grafana.

Loki’s developer surface includes documentation, engineering blog, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub
31.7/100 thin ▬ flat Agent 22/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemium
5 APIs
LoggingObservabilityOpen SourceGrafana

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 31.7/100 · thin
Contract Quality 10.7 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 4.6 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/loki: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 5

Individual APIs this provider publishes, each with its own machine-readable definition.

Loki Config API

The Config API from Loki — 1 operation(s) for config.

Loki Loki API

The Loki API from Loki — 17 operation(s) for loki.

Loki Metrics API

The Metrics API from Loki — 1 operation(s) for metrics.

Loki Otlp API

The Otlp API from Loki — 1 operation(s) for otlp.

Loki Ready API

The Ready API from Loki — 1 operation(s) for ready.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Loki HTTP API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Loki Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Loki Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Loki Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Loki Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Loki Trust Center

SOC 2, ISO 27001, PCI DSS, FedRAMP, GDPR, CSA STAR

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Loki Agentic Access

27 operations · 8 acting

27 operations · 8 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: loki
name: Loki
description: Loki is an open source log aggregation system from Grafana Labs designed to store and query logs efficiently
  using labels instead of full-text indexing.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/loki.png
tags:
- Logging
- Observability
- Open Source
- Grafana
url: https://raw.githubusercontent.com/api-evangelist/loki/refs/heads/main/apis.yml
created: '2026-03-25'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: loki:loki-config-api
  name: Loki Config API
  description: The Config API from Loki — 1 operation(s) for config.
  humanURL: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  tags:
  - Config
  properties:
  - type: OpenAPI
    url: openapi/loki-config-api-openapi.yml
  - type: Documentation
    url: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  - type: GitHubRepository
    url: https://github.com/grafana/loki
- aid: loki:loki-loki-api
  name: Loki Loki API
  description: The Loki API from Loki — 17 operation(s) for loki.
  humanURL: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  tags:
  - Loki
  properties:
  - type: OpenAPI
    url: openapi/loki-loki-api-openapi.yml
  - type: Documentation
    url: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  - type: GitHubRepository
    url: https://github.com/grafana/loki
- aid: loki:loki-metrics-api
  name: Loki Metrics API
  description: The Metrics API from Loki — 1 operation(s) for metrics.
  humanURL: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  tags:
  - Metrics
  properties:
  - type: OpenAPI
    url: openapi/loki-metrics-api-openapi.yml
  - type: Documentation
    url: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  - type: GitHubRepository
    url: https://github.com/grafana/loki
- aid: loki:loki-otlp-api
  name: Loki Otlp API
  description: The Otlp API from Loki — 1 operation(s) for otlp.
  humanURL: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  tags:
  - Otlp
  properties:
  - type: OpenAPI
    url: openapi/loki-otlp-api-openapi.yml
  - type: Documentation
    url: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  - type: GitHubRepository
    url: https://github.com/grafana/loki
- aid: loki:loki-ready-api
  name: Loki Ready API
  description: The Ready API from Loki — 1 operation(s) for ready.
  humanURL: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  tags:
  - Ready
  properties:
  - type: OpenAPI
    url: openapi/loki-ready-api-openapi.yml
  - type: Documentation
    url: https://grafana.com/docs/loki/latest/reference/loki-http-api/
  - type: GitHubRepository
    url: https://github.com/grafana/loki
common:
- type: AgenticAccess
  url: agentic-access/loki-agentic-access.yml
- type: TrustCenter
  url: security/loki-trust-center.yml
- type: DomainSecurity
  url: security/loki-domain-security.yml
- type: Website
  url: https://grafana.com/oss/loki/
- type: Documentation
  url: https://grafana.com/docs/loki/latest/
- type: GitHubOrganization
  url: https://github.com/grafana
- type: Integrations
  url: https://grafana.com/integrations/
- url: https://grafana.com/blog/index.xml
  type: Blog
integrations:
- name: All visualization integrations
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com