API Tools

Discover 183+ indie API Tools tools built by independent makers. Open-source and bootstrapped alternatives with install commands and compatibility data.

superagent

HTTP request library

API Tools
npmhttpclient
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Tyk

Open-source API gateway with analytics and developer portal.

API Tools
api-gatewayanalyticsrate-limiting
Visit → 10682★ 12 AI recommendations
Markopolis

Web app and API server for Markdown files

Headless CMS
self-hostedwikimarkdown
Visit → 180★
Revert

Open-source unified API to build B2B product integrations. [](https://github.com/revertinc/revert)

API Tools
crmintegrationunified
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cacheable-request

Wrap native HTTP requests with RFC compliant cache support

API Tools
npmhttpcaching
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Ramp Radar

Stablecoin ramp intelligence for comparing providers, corridors, and payout routes.

API Tools
stablecoinpaymentsapi
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Payload CMS

The most powerful TypeScript headless CMS

Headless CMS
cmsheadlesstypescript
Visit → 41613★ 2 AI recommendations
Directus

Open-source data platform. Instant REST and GraphQL APIs.

Headless CMS
cmsheadlessopen-source
Visit → 34658★ 2 AI recommendations
Artillery

The complete load testing platform. Everything you need for production-grade load tests. Serverless

Testing Tools
apiautomationaws
Visit → 8939★ 16 AI recommendations
Findomain

The fastest and complete solution for domain recognition. Supports screenshoting, port scan, HTTP ch

API Tools
apiopen-sourcerust
Visit → 3717★ 1 AI recommendations
Resend

Email API for developers. Send transactional and marketing emails at scale.

Email Marketing
emailapitransactional
Visit → 9 AI recommendations
n8n-install

🚀 Self-hosted AI automation platform. Deploy n8n, Ollama, Flowise, RAG, Supabase & 30+ tools with on

AI & Automation
apiopen-sourceself-hosted
Visit → 791★
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