The Liquidity Pool API is how carbon acquisition and retirement get embedded in your own systems: buy against invoices, reserve quantities, enrol cards, read balances and transaction history. Every call is authorized by API key.
Every call carries your API key as the hash parameter. Responses come back in one envelope, so error handling is written once: message, success, data and operations_count. A refused call answers HTTP 400 with success: false. Balances follow conventions of their own, documented on their own page.
List the clients available to your key with their totals, then create, edit, read and delete the invoices carbon is purchased against.
Preview an invoice purchase, buy the carbon pool quantities behind it, or buy selected pool records directly. Settlement by card, invoice or the Multi-Token Network.
Hold the quantity a purchase will pull for ten minutes, for pool records or for invoices, and release a hold early when a transaction falls through.
Add and manage employees, generate card-entry links, enrol and revoke MasterCard cards, and read card transaction notifications.
Companies and Individual Consumptions for organizations that route spend through more than one entity, each with its own card enrolment.
Spending Capacity balances and the client's carbon pool purchases, newest first.
This API is the programmatic face of the carbon pool: the same supply the listings show, drawn down per transaction instead of in block. Platforms use it to retire carbon at the point of sale; treasuries use it to acquire against invoices on a schedule.
Tell us what you are building and we will get you a key and a walkthrough.