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 10 more developer resources.

🌐 Visit website 📡 Source on GitHub

24.5/100 emerging ▬ flat Agent 17/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemium

5 APIs

Logging Observability Open-Source Grafana

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 24.5/100 · emerging

Contract Quality 9.4 / 25

Developer Ergonomics 2.4 / 20

Access Clarity 4.7 / 20

Operational Transparency 3.4 / 13

Contract Governance 0.0 / 12

Discoverability 4.6 / 10

Agent readiness — 17/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

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 7

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

API Collection

OPEN COLLECTION

Loki HTTP Config API

OPEN COLLECTION

HTTP Config Loki API

OPEN COLLECTION

Loki HTTP Config Metrics API

OPEN COLLECTION

Loki HTTP Config Otlp API

OPEN COLLECTION

Loki HTTP Config Ready API

OPEN COLLECTION

Loki HTTP API

OPEN COLLECTION

Scroll for all 7

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

AGENTIC

Resources

Documentation 2

Reference material describing how the API behaves

ContributionGuide

ContributionGuide

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 2

SDKs, sample code, and the tooling you integrate with

CodeOfConduct

CodeOfConduct

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

TrustCenter

TrustCenter

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

IssueTracker

IssueTracker

Releases

Releases

Commercial 1

Pricing, plans, and the legal terms of use

License

License

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

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
tags_raw:
- 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: '0.23'
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
  tags_raw:
  - 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: IssueTracker
  url: https://github.com/grafana/loki/issues
- type: Releases
  url: https://github.com/grafana/loki/releases
- type: CodeOfConduct
  url: https://github.com/grafana/loki/blob/main/CODE_OF_CONDUCT.md
- type: ContributionGuide
  url: https://github.com/grafana/loki/blob/main/CONTRIBUTING.md
- type: License
  name: AGPL-3.0
  url: https://github.com/grafana/loki/blob/main/LICENSE
- 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

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