Fermyon

Fermyon Wasm Functions is a multi-tenant, hosted, globally distributed engine for serverless functions running on Akamai Cloud, the most distributed cloud network. Fermyon is the company behind the Spin Framework and SpinKube, providing tools and runtimes for building and operating WebAssembly-based serverless applications.

Fermyon publishes 14 APIs on the APIs.io network, including accounts API, apps API, auth-tokens API, and 11 more. Tagged areas include Compute, Functions, WebAssembly, and Serverless.

Fermyon’s developer surface includes authentication, developer portal, documentation, getting-started guide, engineering blog, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub

36.9/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serve⚡ Free to try

15 APIs

ComputeFunctionsWebAssemblyServerless

Kin Score

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

Composite quality — 36.9/100 · thin

Contract Quality 10.4 / 25

Developer Ergonomics 8.3 / 20

Commercial Clarity 7.9 / 20

Operational Transparency 4.8 / 13

Governance 0.0 / 12

Discoverability 5.6 / 10

Agent readiness — 31/100 · agent aware

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 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/fermyon: 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 15

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

Rate Limits 1

Documented rate limits and quota policies.

Fermyon Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Get Started 2

Portal, sign-up, and the first successful call

Portal

Portal

GettingStarted

GettingStarted

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

Company 3

The organization behind the API

LinkedIn

Blog

Blog

Website

Website

Source (apis.yml)

aid: fermyon
name: Fermyon
description: Fermyon Wasm Functions is a multi-tenant, hosted, globally distributed engine for serverless functions running
  on Akamai Cloud, the most distributed cloud network. Fermyon is the company behind the Spin Framework and SpinKube, providing
  tools and runtimes for building and operating WebAssembly-based serverless applications.
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
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/fermyon.png
tags:
- Compute
- Functions
- WebAssembly
- Serverless
created: '2025-02-08'
modified: '2026-04-28'
url: https://raw.githubusercontent.com/api-evangelist/fermyon/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: fermyon:fermyon
  name: Fermyon Wasm Functions
  description: Fermyon Wasm Functions is a multi-tenant, hosted, globally distributed engine for serverless functions running
    on Akamai Cloud. Developers author functions with the Spin Framework and deploy them to a globally distributed runtime.
  humanURL: https://developer.fermyon.com/
  tags:
  - Compute
  - Functions
  - WebAssembly
  - Serverless
  properties:
  - type: Documentation
    url: https://developer.fermyon.com/
  - type: GettingStarted
    url: https://developer.fermyon.com/spin/v3/quickstart
- aid: fermyon:fermyon-accounts-api
  name: Fermyon accounts API
  description: The accounts API from Fermyon — 1 operation(s) for accounts.
  humanURL: https://developer.fermyon.com/
  tags:
  - accounts
  properties:
  - type: OpenAPI
    url: openapi/fermyon-accounts-api-openapi.yml
- aid: fermyon:fermyon-apps-api
  name: Fermyon apps API
  description: The apps API from Fermyon — 6 operation(s) for apps.
  humanURL: https://developer.fermyon.com/
  tags:
  - apps
  properties:
  - type: OpenAPI
    url: openapi/fermyon-apps-api-openapi.yml
- aid: fermyon:fermyon-auth-tokens-api
  name: Fermyon auth-tokens API
  description: The auth-tokens API from Fermyon — 2 operation(s) for auth-tokens.
  humanURL: https://developer.fermyon.com/
  tags:
  - auth-tokens
  properties:
  - type: OpenAPI
    url: openapi/fermyon-auth-tokens-api-openapi.yml
- aid: fermyon:fermyon-channels-api
  name: Fermyon channels API
  description: The channels API from Fermyon — 6 operation(s) for channels.
  humanURL: https://developer.fermyon.com/
  tags:
  - channels
  properties:
  - type: OpenAPI
    url: openapi/fermyon-channels-api-openapi.yml
- aid: fermyon:fermyon-custom-domains-api
  name: Fermyon custom-domains API
  description: The custom-domains API from Fermyon — 1 operation(s) for custom-domains.
  humanURL: https://developer.fermyon.com/
  tags:
  - custom-domains
  properties:
  - type: OpenAPI
    url: openapi/fermyon-custom-domains-api-openapi.yml
- aid: fermyon:fermyon-device-codes-api
  name: Fermyon device-codes API
  description: The device-codes API from Fermyon — 3 operation(s) for device-codes.
  humanURL: https://developer.fermyon.com/
  tags:
  - device-codes
  properties:
  - type: OpenAPI
    url: openapi/fermyon-device-codes-api-openapi.yml
- aid: fermyon:fermyon-key-value-pairs-api
  name: Fermyon key-value-pairs API
  description: The key-value-pairs API from Fermyon — 1 operation(s) for key-value-pairs.
  humanURL: https://developer.fermyon.com/
  tags:
  - key-value-pairs
  properties:
  - type: OpenAPI
    url: openapi/fermyon-key-value-pairs-api-openapi.yml
- aid: fermyon:fermyon-key-value-stores-api
  name: Fermyon key-value-stores API
  description: The key-value-stores API from Fermyon — 4 operation(s) for key-value-stores.
  humanURL: https://developer.fermyon.com/
  tags:
  - key-value-stores
  properties:
  - type: OpenAPI
    url: openapi/fermyon-key-value-stores-api-openapi.yml
- aid: fermyon:fermyon-oci-api
  name: Fermyon oci API
  description: The oci API from Fermyon — 4 operation(s) for oci.
  humanURL: https://developer.fermyon.com/
  tags:
  - oci
  properties:
  - type: OpenAPI
    url: openapi/fermyon-oci-api-openapi.yml
- aid: fermyon:fermyon-payments-api
  name: Fermyon payments API
  description: The payments API from Fermyon — 3 operation(s) for payments.
  humanURL: https://developer.fermyon.com/
  tags:
  - payments
  properties:
  - type: OpenAPI
    url: openapi/fermyon-payments-api-openapi.yml
- aid: fermyon:fermyon-personal-access-tokens-api
  name: Fermyon personal-access-tokens API
  description: The personal-access-tokens API from Fermyon — 2 operation(s) for personal-access-tokens.
  humanURL: https://developer.fermyon.com/
  tags:
  - personal-access-tokens
  properties:
  - type: OpenAPI
    url: openapi/fermyon-personal-access-tokens-api-openapi.yml
- aid: fermyon:fermyon-revisions-api
  name: Fermyon revisions API
  description: The revisions API from Fermyon — 1 operation(s) for revisions.
  humanURL: https://developer.fermyon.com/
  tags:
  - revisions
  properties:
  - type: OpenAPI
    url: openapi/fermyon-revisions-api-openapi.yml
- aid: fermyon:fermyon-sql-databases-api
  name: Fermyon sql-databases API
  description: The sql-databases API from Fermyon — 5 operation(s) for sql-databases.
  humanURL: https://developer.fermyon.com/
  tags:
  - sql-databases
  properties:
  - type: OpenAPI
    url: openapi/fermyon-sql-databases-api-openapi.yml
- aid: fermyon:fermyon-variable-pairs-api
  name: Fermyon variable-pairs API
  description: The variable-pairs API from Fermyon — 1 operation(s) for variable-pairs.
  humanURL: https://developer.fermyon.com/
  tags:
  - variable-pairs
  properties:
  - type: OpenAPI
    url: openapi/fermyon-variable-pairs-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/fermyon-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/fermyon-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/fermyon-domain-security.yml
- type: Authentication
  url: authentication/fermyon-authentication.yml
- type: GitHubOrganization
  url: https://github.com/fermyon
- type: LinkedIn
  url: https://www.linkedin.com/company/fermyon
- type: Portal
  url: https://developer.fermyon.com/
- type: Documentation
  url: https://developer.fermyon.com/spin/v3/quickstart
- type: GettingStarted
  url: https://developer.fermyon.com/spin/v3/quickstart
- type: Blog
  url: https://www.fermyon.com/blog/index
- type: Website
  url: https://www.fermyon.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Fermyon

Kin Score

APIs 15

Fermyon Wasm Functions

Fermyon accounts API

Fermyon apps API

Fermyon auth-tokens API

Fermyon channels API

Fermyon custom-domains API

Fermyon device-codes API

Fermyon key-value-pairs API

Fermyon key-value-stores API

Fermyon oci API

Fermyon payments API

Fermyon personal-access-tokens API

Fermyon revisions API

Fermyon sql-databases API

Fermyon variable-pairs API

Open Collections 1

Fermyon Cloud API

Pricing Plans 1

Fermyon Plans Pricing

Rate Limits 1

Fermyon Rate Limits

FinOps 1

Fermyon Finops

Security Posture 3

Fermyon Authentication

Fermyon Domain Security

Fermyon Vulnerability Disclosure

Agentic Access 1

Fermyon Agentic Access

Resources