osmAPI

osmAPI is a unified AI gateway that routes requests to OpenAI, Anthropic, Google, and 14+ LLM providers through a single API. Drop-in compatible with the OpenAI SDK, it provides smart routing, streaming, function calling, web search, response healing, embeddings, audio, and realtime endpoints.

osmAPI publishes 4 APIs on the APIs.io network, including Chat API, Messages API, Models API, and 1 more. Tagged areas include AI, Anthropic, Gateway, LLM, and OpenAI.

The osmAPI catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

osmAPI’s developer surface includes authentication, developer portal, documentation, pricing, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub

51.0/100 developing ▬ flat Agent 38/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serve⚡ Free to try

4 APIs

AIAnthropicGatewayLLMOpenAIRouting

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 51.0/100 · developing

Contract Quality 16.1 / 25

Developer Ergonomics 5.7 / 20

Commercial Clarity 10.0 / 20

Operational Transparency 4.8 / 13

Governance 7.0 / 12

Discoverability 7.4 / 10

Agent readiness — 38/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 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/osmapi: 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 4

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

Rate Limits 1

Documented rate limits and quota policies.

Osmapi Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

Get Started 1

Portal, sign-up, and the first successful call

Portal

Portal

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

JSONSchema

JSONSchema

JSONSchema

JSONSchema

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

JSONLDContext

JSONLDContext

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 1

Pricing, plans, and the legal terms of use

Pricing

Pricing

Company 1

The organization behind the API

LinkedIn

Other 3

Properties that don't map to a standard resource type

Dashboard

Dashboard

Routing

Routing

Caching

Caching

Source (apis.yml)

aid: osmapi
name: osmAPI
description: osmAPI is a unified AI gateway that routes requests to OpenAI, Anthropic, Google, and 14+ LLM providers through
  a single API. Drop-in compatible with the OpenAI SDK, it provides smart routing, streaming, function calling, web search,
  response healing, embeddings, audio, and realtime endpoints.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/osmapi.png
tags:
- AI
- Anthropic
- Gateway
- LLM
- OpenAI
- Routing
url: https://raw.githubusercontent.com/api-evangelist/osmapi/refs/heads/main/apis.yml
created: '2026-03-21'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: osmapi:osmapi-chat-api
  name: osmAPI Chat API
  description: The Chat API from osmAPI — 1 operation(s) for chat.
  humanURL: https://docs.osmapi.com/v1_chat_completions
  baseURL: https://api.osmapi.com/v1
  tags:
  - Chat
  properties:
  - type: OpenAPI
    url: openapi/osmapi-chat-api-openapi.yml
  - type: Documentation
    url: https://docs.osmapi.com/v1_chat_completions
  - type: Documentation
    url: https://docs.osmapi.com/v1_messages
  - type: Documentation
    url: https://docs.osmapi.com/v1_models
  - type: Documentation
    url: https://docs.osmapi.com/health
- aid: osmapi:osmapi-messages-api
  name: osmAPI Messages API
  description: The Messages API from osmAPI — 1 operation(s) for messages.
  humanURL: https://docs.osmapi.com/v1_chat_completions
  baseURL: https://api.osmapi.com/v1
  tags:
  - Messages
  properties:
  - type: OpenAPI
    url: openapi/osmapi-messages-api-openapi.yml
  - type: Documentation
    url: https://docs.osmapi.com/v1_chat_completions
  - type: Documentation
    url: https://docs.osmapi.com/v1_messages
  - type: Documentation
    url: https://docs.osmapi.com/v1_models
  - type: Documentation
    url: https://docs.osmapi.com/health
- aid: osmapi:osmapi-models-api
  name: osmAPI Models API
  description: The Models API from osmAPI — 1 operation(s) for models.
  humanURL: https://docs.osmapi.com/v1_chat_completions
  baseURL: https://api.osmapi.com/v1
  tags:
  - Models
  properties:
  - type: OpenAPI
    url: openapi/osmapi-models-api-openapi.yml
  - type: Documentation
    url: https://docs.osmapi.com/v1_chat_completions
  - type: Documentation
    url: https://docs.osmapi.com/v1_messages
  - type: Documentation
    url: https://docs.osmapi.com/v1_models
  - type: Documentation
    url: https://docs.osmapi.com/health
- aid: osmapi:osmapi-osmapi-health-api-api
  name: osmAPI OsmAPI Health API API
  description: The OsmAPI Health API API from osmAPI — 1 operation(s) for osmapi health api.
  humanURL: https://docs.osmapi.com/v1_chat_completions
  baseURL: https://api.osmapi.com/v1
  tags:
  - OsmAPI Health API
  properties:
  - type: OpenAPI
    url: openapi/osmapi-osmapi-health-api-api-openapi.yml
  - type: Documentation
    url: https://docs.osmapi.com/v1_chat_completions
  - type: Documentation
    url: https://docs.osmapi.com/v1_messages
  - type: Documentation
    url: https://docs.osmapi.com/v1_models
  - type: Documentation
    url: https://docs.osmapi.com/health
common:
- type: AgenticAccess
  url: agentic-access/osmapi-agentic-access.yml
- type: DomainSecurity
  url: security/osmapi-domain-security.yml
- type: Authentication
  url: authentication/osmapi-authentication.yml
- type: GitHubOrganization
  url: https://github.com/openstreetmap
- type: LinkedIn
  url: https://www.linkedin.com/company/osm-api
- type: Portal
  url: https://www.osmapi.com/
- type: Documentation
  url: https://docs.osmapi.com/
- type: Dashboard
  url: https://app.osmapi.com/
- type: Authentication
  url: https://docs.osmapi.com/features/api-keys
- type: RateLimits
  url: https://docs.osmapi.com/resources/rate-limits
- type: Routing
  url: https://docs.osmapi.com/features/routing
- type: Caching
  url: https://docs.osmapi.com/features/caching
- type: Pricing
  url: https://docs.osmapi.com/features/cost-breakdown
- type: JSONLDContext
  url: json-ld/osmapi-context.jsonld
- type: JSONSchema
  url: json-schema/osmapi-chat-completion-schema.json
- type: JSONSchema
  url: json-schema/osmapi-model-schema.json
maintainers:
- FN: API Evangelist
  email: info@apievangelist.com