Have an AI Model or API?
Put it in front of thousands of developers.
List your API alongside 500+ APIs from 80+ providers. Managed gateway, keys, billing, docs and global payouts, with zero infrastructure to build or operate.
80+ independent providers and teams already monetize their APIs on api.market
You ship the endpoint.
We run the whole business around it.
Everything between your API and a paying customer (gateway, keys, billing, docs, agents and versioning) is handled for you.
Managed gateway & keys
An autoscaling gateway issues and rotates API keys, and enforces rate limits and quotas on every request. No infrastructure to operate.
Billing & payouts
Subscriptions, usage metering, invoicing and global payouts, all handled in any country and currency. The money just arrives.
Ready-made MCP endpointNew
Every API ships an MCP endpoint, so AI agents can discover and call your API out of the box, with no extra work from you.
Hosted docs & test console
Auto-generated documentation and an interactive test console for every product, so customers can try your API before they subscribe.
Flexible products
Combine multiple APIs into one product, set per-path quotas and tiered pricing, and run public or private listings.
Versioning, safely
Ship new versions without breaking the subscribers you already have. Each edit creates a version; customers upgrade when they're ready.
From endpoint to revenue in four steps
Most providers are live the same day. No platform engineering required.
Connect your API
Import your OpenAPI spec or point us at your endpoint with the Import Wizard.
Create a product
Set pricing (subscription, pay-per-use or tiered), quotas, and public or private access.
Go live, agent-ready
Docs, a test console and an MCP endpoint are generated automatically for every product.
Get paid
Usage is metered, invoiced and paid out to you globally. Watch it in your dashboard.
Every API is an MCP server
The next wave of API demand comes from AI agents. Every API you publish exposes a Model Context Protocol endpoint. Your agent searches the catalog, finds the right API and calls it, with keys, quotas and billing handled. Every API here speaks it.
- Auto-generated from your existing endpoints
- Same keys, quotas and metering as your REST product
- New, agent-driven revenue with nothing to maintain
claude mcp add api-market \
--transport http \
https://prod.api.market/api/mcp/gateway \
--header "x-api-market-key: YOUR_KEY"Then ask your agent to perform a task, and it finds and calls the right API itself.
We connect your API to the right customers
Listing is only the start. We actively put your API in front of the developers and companies most likely to buy.
Targeted marketing
We promote your APIs to the developers and teams most likely to use them, lifting conversion and reach.
Customer matchmaking
Our algorithms recommend your APIs to users based on their needs and behaviour, for optimal visibility.
Self-service billing
Managed billing, invoicing and subscription management, with multiple currencies handled for you.
Support centre
Let customers raise tickets through an embedded support centre tied to your products.
Built to stay up
Your API runs on an autoscaling gateway with continuous monitoring and a public status page, so you always know it’s up, and so do your customers.
Free to list. You keep 80%.
No upfront cost and no surprises. We only earn when you earn.
No listing fee, no monthly platform fee. Publish as many products as you like.
You keep 80% of every sale. Platform fee is up to 20%, and renegotiable once you pass $2,500 MRR.
Subscriptions, metering, invoicing and payouts handled in any country and currency.
Close more enterprise and B2B deals
Most revenue for API-first companies comes from enterprise. We give you the tools to win and keep those accounts.
Rated 5 stars by developers
“I have tried multiple API's available, but this one is by far the best! ”
AA✈️ AeroDataBox API - Aviation and Flight APIView this API →“This API is a bargain! Coverage not perfect but which flight API has that? Can't expect to find every plane on earth for 5 bucks a month, it just how it is. If you need that go ask Cirium for a quote see how that goes lol At least Aerodata openly publish their limits in the docs and charge basically nothing for a Saas”
AA✈️ AeroDataBox API - Aviation and Flight APIView this API →“Muy bueno !, esta genial se rifaron.”
AA✈️ AeroDataBox API - Aviation and Flight APIView this API →“it is working for well at this price, quite okay ”
ULUltra Low Cost AI Images – $0.002/image for GPT Image 2 & OthersView this API →“Awesome API, great data, great everything. Thank you. ”
AA✈️ AeroDataBox API - Aviation and Flight APIView this API →“please add back live tracking for RMO and all Romanian airports. Now I have Realtime traffic only for Bucharest, for rest of the airports it is Basic. ”
AA✈️ AeroDataBox API - Aviation and Flight APIView this API →Questions, answered
How much does it cost to list?
Listing is free, with no upfront or monthly platform fee. We charge a platform fee of up to 20% on sales, and you keep 80%. That fee is renegotiable once your API passes $2,500 in monthly recurring revenue.
What kinds of APIs can I sell?
A wide range: AI and machine-learning models, image and video tools, data and scraping APIs, maps and navigation, company and business-intelligence data, KYC, SMS/fax and more. If it's an HTTP API, it likely belongs here.
Do I need to run any infrastructure?
No. Our autoscaling gateway handles keys, rate limits, quotas and metering. You keep running your own endpoint; everything between it and the customer (including the MCP endpoint, docs and billing) is managed for you.
How do payouts work?
We handle subscriptions, usage metering, invoicing and global payouts in any country and currency. Your earnings are paid out automatically, and you can track every payout from your seller dashboard.
What is the ready-made MCP endpoint?
Every API you publish automatically exposes a Model Context Protocol (MCP) endpoint. That means AI agents can discover and call your API out of the box, using the same keys, quotas and metering as your REST API, opening a new agent-driven revenue channel with nothing extra to maintain.
Can I change my product without breaking customers?
Yes. Versioning is built in. Every edit creates a new version, and existing subscribers keep working on the version they're on until they choose to upgrade. New customers always see your latest version.
Your API is a business.
Let us run it for you.
Ship the endpoint, and we handle the gateway, keys, billing, docs, agents and payouts. Free to list, keep 80%.