Wasmer website screenshot

Wasmer

Wasmer is a WebAssembly runtime, package registry, and edge platform. The Wasmer Registry stores and distributes WebAssembly packages and namespaces, Wasmer Edge deploys those packages as auto-scaling apps, and the wasmer CLI and wasmer.sh interact with the platform through a single public GraphQL API at registry.wasmer.io/graphql.

Wasmer publishes 1 API on the APIs.io network: GraphQL API. Tagged areas include WebAssembly, Wasm, Registry, Edge, and Runtime.

Wasmer’s developer surface includes authentication, documentation, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
39.9/100 thin ▬ flat Agent 37/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
2 APIs
WebAssemblyWasmRegistryEdgeRuntime

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 39.9/100 · thin
Contract Quality 16.1 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 6.9 / 10
Agent readiness — 37/100 · 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 0 / 8
Request/Response Examples 7 / 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/wasmer: 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 2

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

Wasmer CLI

The wasmer command-line client (wasmer login, publish, deploy, run, ssh) - a first-class consumer of the Registry GraphQL API that wraps publish and Edge deployment workflows.

Wasmer GraphQL API

The GraphQL API from Wasmer — 1 operation(s) for graphql.

Open Collections 1

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

Wasmer Registry GraphQL API

OPEN COLLECTION

GraphQL 1

GraphQL schemas published by this provider.

Wasmer Registry GraphQL API

Representative GraphQL schema for the [Wasmer](https://wasmer.io) Registry and Edge

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Wasmer Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Wasmer Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Wasmer Finops

FINOPS

Security Posture 3

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

Wasmer Authentication

http · 1 scheme

SECURITY

Wasmer Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Wasmer Vulnerability Disclosure

disclosure policy published

SECURITY

Agentic Access 1

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

Wasmer Agentic Access

2 operations · 1 acting

2 operations · 1 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 3

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: wasmer
url: https://raw.githubusercontent.com/api-evangelist/wasmer/refs/heads/main/apis.yml
name: Wasmer
kind: company
description: Wasmer is a WebAssembly runtime, package registry, and edge platform. The Wasmer Registry stores and distributes
  WebAssembly packages and namespaces, Wasmer Edge deploys those packages as auto-scaling apps, and the wasmer CLI and wasmer.sh
  interact with the platform through a single public GraphQL API at registry.wasmer.io/graphql.
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/wasmer.png
tags:
- WebAssembly
- Wasm
- Registry
- Edge
- Runtime
created: '2026-06-20'
modified: '2026-06-20'
specificationVersion: '0.19'
apis:
- aid: wasmer:wasmer-cli
  name: Wasmer CLI
  tags:
  - CLI
  - Tooling
  - Publish
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.wasmer.io/registry/cli
  baseURL: https://registry.wasmer.io/graphql
  properties:
  - url: https://docs.wasmer.io/registry/cli
    type: Documentation
  - url: https://docs.wasmer.io/install
    type: APIReference
  - url: graphql/wasmer-graphql.md
    type: GraphQL
  - url: https://github.com/wasmerio/wasmer
    type: GitHub
  description: The wasmer command-line client (wasmer login, publish, deploy, run, ssh) - a first-class consumer of the Registry
    GraphQL API that wraps publish and Edge deployment workflows.
- aid: wasmer:wasmer-graphql-api
  name: Wasmer GraphQL API
  description: The GraphQL API from Wasmer — 1 operation(s) for graphql.
  humanURL: https://docs.wasmer.io/graphql-api
  baseURL: https://registry.wasmer.io/graphql
  tags:
  - GraphQL
  properties:
  - type: OpenAPI
    url: openapi/wasmer-graphql-api-openapi.yml
  - type: Documentation
    url: https://docs.wasmer.io/graphql-api
  - type: APIReference
    url: https://docs.wasmer.io/registry
  - type: GraphQL
    url: graphql/wasmer-graphql.md
  - type: GitHub
    url: https://github.com/wasmerio/wasmer
  - type: Documentation
    url: https://docs.wasmer.io/registry
  - type: APIReference
    url: https://docs.wasmer.io/registry/manifest
  - type: Documentation
    url: https://docs.wasmer.io/edge
  - type: APIReference
    url: https://docs.wasmer.io/edge/configuration
  - type: Documentation
    url: https://docs.wasmer.io/registry/cli
  - type: APIReference
    url: https://docs.wasmer.io/graphql-api
common:
- type: AgenticAccess
  url: agentic-access/wasmer-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/wasmer-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/wasmer-domain-security.yml
- type: Authentication
  url: authentication/wasmer-authentication.yml
- type: GitHubOrganization
  url: https://github.com/wasmerio
- type: LinkedIn
  url: https://www.linkedin.com/company/wasmer
- type: Website
  url: https://wasmer.io
- type: Documentation
  url: https://docs.wasmer.io
- type: Plans
  url: plans/wasmer-plans-pricing.yml
- type: RateLimits
  url: rate-limits/wasmer-rate-limits.yml
- type: FinOps
  url: finops/wasmer-finops.yml
- type: Blog
  url: https://blog.wasmer.io/feed
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com