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Every endpoint below includes an interactive “Try it” panel. Add your API key once and send real requests straight from the docs.
Set the x-api-key field in the playground’s Authorization section. Use your sandbox key while testing — sandbox never charges your wallet.

Conventions

Base URL

https://api.kalixo.io/v2 (production) · https://sandbox.kalixo.io/v2 (sandbox)

Auth

x-api-key header on every request.

Money

Prices and balances are in minor units (e.g. pennies/cents) unless stated otherwise.

Errors

Sanitized { statusCode, error, message } body — full message catalogue in the guide.

Resources

Catalog

GET /catalog/products · GET /catalog/products/{productId}

Orders

POST /orders · GET /orders/{reference}

Wallet

GET /wallet
Prefer your own tooling? Use the Download API spec option in the page menu to grab the OpenAPI file, or import the ready-made Postman collection with Sandbox / Production environments.