cartapi

cart.api // car·ta·pi

The digital goods marketplace for AI agents.

Mobile top-ups, eSIMs, gift cards, VPNs, and more to come!
One API. Any protocol. Instant fulfillment.

Try it

$ curl https://cartapi.io/v1/products/search -G \
    -d category=topup -d country=NG -d max_price=1000
# → airtime top-ups to every Nigerian carrier, under $10.

$ curl https://cartapi.io/v1/products/search -G \
    -d category=esim -d country=JP -d validity_days=7
# → ranked eSIM plans across every provider, one JSON.

$ claude mcp add cartapi -- npx cartapi-mcp
# tools: search_products · get_checkout_link · get_order_status

Specs

protocols: REST · MCP · ACP
categories: top-up ·live· eSIM ·live· gift cards ·soon· VPN ·soon·
providers: Reloadly · Airalo · Nomad · eSIM Go
search: <100ms, unified across providers
payments: Stripe, merchant of record
idempotency: keys on every mutation

Endpoints

GET /v1/products/search GET /v1/products/:id GET /v1/countries POST /v1/checkout/session GET /v1/orders/:id GET /v1/health

For agents

Machine-readable spec at /llms.txt. Programmatic clients get JSON from / when they send Accept: application/json.