title: Selling APIs

description: List your API on the Wontopos marketplace and start earning revenue.

Selling APIs

Monetize your APIs on the Wontopos marketplace. We handle billing, authentication, rate limiting, and developer onboarding.

Getting started

Register as a seller

Apply at **Dashboard > Become a Seller**. Approval takes 1-2 business days.

Submit your API

Provide your API name, description, OpenAPI spec, and documentation in the **Publisher** section.

Set pricing

Choose a pricing model: per-request, flat monthly, freemium, or tiered volume pricing.

Configure the gateway

Point the Wontopos gateway to your upstream API. We proxy all traffic and handle auth.

Publish to marketplace

Submit for review. Our team checks quality, security, and documentation within 3 business days.

Pricing models

Model	Description	Example
Per-request	Charge per API call	$0.001/request
Flat monthly	Fixed subscription fee	$29/month
Freemium	Free tier with paid upgrade	100 free calls, then $0.01/call
Tiered	Volume discounts at thresholds	$0.001 up to 10k, $0.0005 after

Gateway configuration

POST /v1/publisher/apis

{
  "name": "Global Payments API",
  "upstream_url": "https://your-api.example.com",
  "spec_url": "https://your-api.example.com/openapi.json",
  "pricing_model": "per_request",
  "price_per_request": 0.001
}

Analytics

Track subscribers, revenue, and usage in the Seller Dashboard. Key metrics include:

Total subscribers and active users
Revenue by day, week, and month
Request volume and error rates
Average latency percentiles

Revenue share

Wontopos takes 20% of gross revenue. You receive 80% as a monthly payout via bank transfer or PayPal.