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

$ curl https://api.cartapi.io/v1/products/search -G \
    -d category=gift_card -d country=US -d currency=EUR
# → US gift cards priced in EUR (presentment currency).

$ claude mcp add cartapi https://mcp.cartapi.io/mcp
# 11 tools: search_esim_plans · search_topups · search_gift_cards · … · get_checkout_link

Specs

protocols: REST · MCP · ACP
categories: top-up ·live· eSIM ·live· gift cards ·live· VPN ·soon·
providers: Reloadly · Airalo · Nomad · eSIM Go
catalog: 29,000+ SKUs across 219 countries
currencies: USD base · presentment in 30+ via ECB rates
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.