Developer API AI tools

LLM APICode

LLMAPI.dev offers one API to access multiple LLMs like GPT, Claude, and Mistral. Simple pricing, fast integration, and full usage control.

PolyTestBusiness

PolyTest is a Polymarket backtesting API that lets traders replay historical orderbooks and test trading strategies on crypto prediction markets.

SurnexOther

Surnex helps agencies track AI search visibility and SEO performance, and get real work done faster through one API and dashboard.

MadeOnSolCode

MadeOnSol: directory of 1,100+ Solana tools across 30 categories, plus real-time KOL trades, deployer intel, and a developer API.

emailfinder.devAudio

Real-time email discovery API — find any professional email by name, company, LinkedIn, or role. Every lookup is verified live via SMTP. Pay only when an email is found.

Claw MessengerCode

iMessage, RCS, and SMS API for AI agents. Give your agent a dedicated phone number. No Mac required. Works with OpenClaw, LangChain, and others.