ProgrammableWeb

ProgrammableWeb was the original API directory and developer resource, founded by John Musser in 2005, documenting over 19,000 open web APIs and thousands of mashups and applications over 17 years of operation. It was acquired by Alcatel-Lucent in 2010, sold to MuleSoft in 2013, and ultimately shut down in October 2022 following Salesforce's acquisition of MuleSoft. The site's content is preserved through the Internet Archive's Wayback Machine.

ProgrammableWeb publishes 1 API on the APIs.io network. Tagged areas include API Aggregation, API Directory, API Discovery, Archived, and Developer Resources.

🌐 Visit website 📡 Source on GitHub

10.5/100 minimal ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemium

1 APIs

API Aggregation API Directory API Discovery ArchivedDeveloper ResourcesMashups

Kin Score

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

Composite quality — 10.5/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Access Clarity 3.2 / 20

Operational Transparency 1.4 / 13

Contract Governance 0.0 / 12

Discoverability 5.9 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 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/programmableweb: 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 1

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

Rate Limits 1

Documented rate limits and quota policies.

Programmableweb Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog Post

Blog Post

Other 4

Properties that don't map to a standard resource type

Retirement Notice

Internet Archive

Wikipedia

History

Source (apis.yml)

aid: programmableweb
name: ProgrammableWeb
description: ProgrammableWeb was the original API directory and developer resource, founded by John Musser in 2005, documenting
  over 19,000 open web APIs and thousands of mashups and applications over 17 years of operation. It was acquired by Alcatel-Lucent
  in 2010, sold to MuleSoft in 2013, and ultimately shut down in October 2022 following Salesforce's acquisition of MuleSoft.
  The site's content is preserved through the Internet Archive's Wayback Machine.
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/programmableweb.png
tags:
- API Aggregation
- API Directory
- API Discovery
- Archived
- Developer Resources
- Mashups
url: https://raw.githubusercontent.com/api-evangelist/programmableweb/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-04-28'
specificationVersion: '0.23'
apis:
- aid: programmableweb:programmableweb-directory
  name: ProgrammableWeb API Directory
  description: ProgrammableWeb maintained the world's largest directory of open web APIs, mashups, and developer tools. The
    directory documented over 19,000 APIs and served as the primary resource for API discovery from 2005 to 2022. The site
    has been retired and content is available through the Internet Archive.
  humanURL: https://web.archive.org/web/2022/https://www.programmableweb.com
  tags:
  - API Directory
  - API Discovery
  - Archived
  - Mashups
  properties:
  - type: Website
    url: https://www.programmableweb.com
  - type: Wikipedia
    url: https://en.wikipedia.org/wiki/ProgrammableWeb
common:
- type: DomainSecurity
  url: security/programmableweb-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/programmableweb
- type: LinkedIn
  url: https://www.linkedin.com/company/programmableweb
- type: Website
  url: https://www.programmableweb.com
- type: Retirement Notice
  url: https://www.mulesoft.com/programmableweb
- type: Internet Archive
  url: https://web.archive.org/web/2022/https://www.programmableweb.com
- type: Wikipedia
  url: https://en.wikipedia.org/wiki/ProgrammableWeb
- type: Blog Post
  url: https://apievangelist.com/2022/10/15/programmableweb-is-shutting-down/
- type: History
  url: https://apievangelist.com/2012/12/30/history-of-apis-programmableweb/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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ProgrammableWeb

Kin Score

APIs 1

ProgrammableWeb API Directory

Pricing Plans 1

Programmableweb Plans Pricing