Developer API Directory
Every developer API in our index, ranked by agentic readiness. All entries expose at least one programmatic signal agents can discover at build time.
5553
Sites Indexed
39
Avg Score
1698 entries in this directory
Firecrawl - The context API to search, scrape, and interact with the web at scale. 🔥
firecrawl.link
Firecrawl is the context API to search, scrape, and interact with the web at scale. Turn any source into clean Markdown or structured data your agents can ship with.
llms.txt
API
developer
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+15 structured API
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LottieFiles Developer Portal — Lottie Animation Docs
docs.lottiefiles.com
dotLottie players for React, Vue, iOS, Android and more. Lottie Creator, format specs, and open-source SDKs for building with animations.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
AI SDK
ai-sdk.dev
The AI Toolkit for TypeScript, from the creators of Next.js.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
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D
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40
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40
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Popup Builder — Free Popups that convert more opt-ins and sales
claspo.io
Create high-converting popups in minutes. Free CRO-ready popup templates designed to grow your email list, drive sales, and increase revenue.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Next.js by Vercel - The React Framework
nextjs.org
Next.js by Vercel is the full-stack React framework for the web.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Svelte • Web development for the rest of us
svelte.dev
Web development for the rest of us
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Scalar — API Documentation, SDKs, API Client & Registry
scalar.com
Create beautiful docs, SDKs and secure MCP servers from your API. Scalar keeps every interface in sync as your API evolves.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Cloud-Native GIS Software & Online Mapping Platform | Felt
felt.com
Build maps, apps, and dashboards in seconds. Discover Felt, the leading cloud-native GIS mapping software built for speed, simplicity, and collaboration. Get started in minutes.
OpenAPI
API
Schema.org
developer
40
+20 OpenAPI
+15 structured API
missing +25 llms.txt
Chatwoot: AI-powered, open-source customer support platform. Self-host or cloud. Alternative to Intercom & Zendesk.
chatwoot.com
Chatwoot is an AI-powered, open-source customer support platform. Self-host on your infrastructure or use our cloud to manage conversations across live chat, email, WhatsApp, Instagram, Facebook, and more. Built-in AI assistant helps agents respond faster. A modern, privacy-focused alternative to Intercom, Zendesk, and Freshdesk.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Ultravox.ai — Real-time, speech native voice AI
fixie.ai
Ultravox is a real-time voice AI infrastructure layer that powers fast, natural, and scalable voice agents.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
You deserve better CI | Buildkite
buildkite.com
The fastest CI for AI workflows at scale nothing else survives. Leading software teams across industries have standardized on Buildkite for CI and orchestration.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Deno, the drop-in JavaScript runtime for Node developers
deno.com
A drop-in JavaScript runtime with built-in TypeScript, npm support, and security by default. Run your existing Node project on Deno with no setup.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Convex | All gas, no breakages
convex.dev
All gas, no breakages. Convex is the reactive backend platform that keeps up with you and your agents.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
E2B | The Enterprise AI Agent Cloud
e2b.dev
E2B Gives AI Agents Secure Computers with Real-World Tools. E2B is Used by 94% of Fortune 100 Companies for Frontier Agentic Workflows.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
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D
40
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Web Data Labs — {ACTOR_COUNT} Scraper APIs, No Account Required
frog03-20494.wykr.es
{ACTOR_COUNT} production scraper APIs for LinkedIn, Twitter, Google, Amazon and more. Pay per result on Apify. No OAuth, no SDK.
OpenAPI
API
Schema.org
developer
40
+20 OpenAPI
+15 structured API
missing +25 llms.txt
D
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
Introduction to KyberSwap | KyberSwap Docs
docs.kyberswap.com
DeFi's Open and Permissionless Liquidity Backbone
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
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Wire NHS into your agent — MCP server
Add Not Human Search as an MCP tool. Your agent can call search_agents, get_site_details, get_stats, and submit_site at runtime.
Claude Code
claude mcp add --transport http nothumansearch https://nothumansearch.ai/mcp
Other clients: point any MCP-compatible tool at
https://nothumansearch.ai/mcp (streamable-http transport).Use NHS via REST
Prefer plain HTTP? Hit the search endpoint directly.
Search API
curl "https://nothumansearch.ai/api/v1/search?q=payment+API"
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