Monetize APIs.Keep everything.

The marketplace where developers sell API access and buyers pay per call. No contracts, no invoices — just seamless micropayments.

Join our beta waitlist

integration.ts

1// That's it. Pay-per-call, built in.

2const response = await fetch('https://endpoints.dev/api/gpt4', {

3 headers: { 'X-402-Payment': wallet.sign() }

4});

Built on

MegaETHx402

Features

Everything You Need to Sell APIs

From authentication to payments to analytics — we handle the infrastructure so you can focus on building great endpoints.

Zero-Trust Payments

Every request is authenticated and paid for via x402. No API keys to manage, no invoices to chase — just instant, cryptographic payments.

Real-Time Analytics

See exactly who's calling your endpoints, how much you're earning, and where your traffic is coming from — all in real-time.

Instant Settlement

Funds hit your wallet the moment the request completes. No 30-day net terms, no payment processors taking a cut.

Any Endpoint

Proxy any HTTP endpoint through our gateway. Your existing infrastructure, now monetizable with a single configuration change.

Multi-Chain

Accept payments in USDC on Base, Ethereum, Arbitrum, and more. Buyers choose their preferred chain, you get paid regardless.

Developer First

SDKs for every major language, comprehensive docs, and a CLI that lets you deploy endpoints in under 60 seconds.

How it Works

Three Steps to Monetization

Whether you're selling an AI model, a data feed, or a custom API — you can be live in minutes.

Register Your Endpoint

Point us to your API and set your price per call. We handle routing, caching, and rate limiting.

Share Your URL

Get a unique endpoints.dev URL that handles authentication and payment collection automatically.

Get Paid Instantly

Every successful request triggers an instant payment to your wallet. Watch your balance grow in real-time.

Marketplace

Discover Premium Endpoints

Browse APIs from developers around the world. Pay only for what you use, when you use it.

GPT-4 Vision Analysis

$0.002/call

Advanced image analysis and description using GPT-4 Vision API with custom prompting.

2.1M calls4.9

Real-Time Crypto Prices

$0.0001/call

Sub-second price feeds for 500+ cryptocurrencies across all major exchanges.

45M calls4.8

Semantic Search

$0.001/call

Vector-based semantic search over any corpus. Perfect for RAG applications.

890K calls4.7

SDXL Image Gen

$0.008/call

High-quality image generation with Stable Diffusion XL. Custom LoRAs available.

1.2M calls4.9

Ready to Monetize?

Join hundreds of developers already earning from their APIs. Setup takes less than 5 minutes.

Read the Docs