New: connect your AI tools to these docs

Take payments and run your shop through one API

Carts, payments, subscriptions, invoices and webhooks. Guides that get you live, and a reference for every endpoint you can try right in the page.

Start the quickstart API reference

Create a cart

curl https://api.comecero.com/api/v1/carts \
  -H "Authorization: Bearer $COMECERO_TEST_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "currency": "USD",
    "items": [{ "product_id": "widget-pro.test", "quantity": 1 }]
  }'

Create a cart

curl https://api.comecero.com/api/v1/carts \  -H "Authorization: Bearer $COMECERO_TEST_TOKEN" \  -H "Content-Type: application/json" \  -d '{    "currency": "USD",    "items": [{ "product_id": "widget-pro.test", "quantity": 1 }]  }'

Start here

Quickstart

Take a test payment from your own code in a few minutes.

Authentication

Secret, trusted and limited tokens, and when to use each.

Webhooks

Get told when orders, payments and subscriptions change.

Test mode

Build against test data, then switch one token to go live.

Browse the API

All endpoints

Catalog

Products, plans, promotions and shipping.

Checkout

Carts, payments and invoices.

After the sale

Orders, refunds, subscriptions and delivery.

Customers

The people who buy and what they saved.

Customers

Webhooks and email

Events to your server and emails to buyers.

Files

Downloads and images.

Money and reports

Reports, fees and currency conversion.

Account

Tokens, users, roles, gateways and settings.

Events

Every webhook event and what it holds.

Webhook events

Build with AI

Your coding assistant can read these docs the way you do. Connect it once and ask it to build a checkout, check a webhook signature or find the right endpoint.

MCP server

Claude, Cursor, VS Code and ChatGPT can search the docs and read any endpoint.

Markdown pages

Add .md to any page URL, or use "Copy page", to get it as plain Markdown.

llms.txt

A map of every page for AI tools, and the full text in one file.

OpenAPI 3.1

The whole API in one file, for code generators, Postman and agents.

Connect the docs MCP server

# Claude Code
claude mcp add --transport http comecero-docs https://docs.comecero.com/mcp

# Cursor, VS Code and others: add this server URL
https://docs.comecero.com/mcp

Connect the docs MCP server

# Claude Codeclaude mcp add --transport http comecero-docs https://docs.comecero.com/mcp# Cursor, VS Code and others: add this server URLhttps://docs.comecero.com/mcp