Best API Tools for Founders (2026)

39 API tools

• Context.dev

  One API to scrape, enrich, and extract the internet

  862 upvotes

• Notte

  Any website. We deliver the API.

  574 upvotes

• Plurai

  Vibe-train evals and guardrails tailored to your use case

  524 upvotes

• Humalike

  Social intelligence plugin for Hermes Agent

  523 upvotes

• Claude Opus 4.7

  Claude’s most capable model for reasoning and agentic coding

  506 upvotes

• Zro

  Private inference for coding agents

  505 upvotes

• Gemini

  A smarter model for your most complex tasks

  500 upvotes

• Bruno

  Reinventing the API Client | Local, Native Git, Open Source

  461 upvotes

• Tabstack by Mozilla

  Automate the web in your app or agent, no browser to host

  446 upvotes

• Swytchcode

  Give agents reliable access to 2,000+ APIs w/ durable state

  437 upvotes

• ZenMux

  An enterprise-grade LLM gateway with automatic compensation

  421 upvotes

• Claude by Anthropic

  AI that plans, acts, and gets work done

  393 upvotes

• MaxClaw by MiniMax

  Self-evolving AI model powering autonomous agents

  376 upvotes

• Lightning Rod: AI Forecasting API

  Predict anything with AI

  327 upvotes

• SCRAPR

  The data layer for the agentic web

  277 upvotes

• Alconost Localization Lab

  The first human translation platform built for AI agents

  270 upvotes

• HarnessRouter

  Bring the world's best AI agents into your app, with one API

  256 upvotes

• Sequence

  Money movement for AI agents

  246 upvotes