April 2026
2026.04.03
Crypto Payouts and Crypto Address Book docs now include Singapore
(CIRCLE_SG) coverage. They add Travel Rule notes, payment reason codes, and
VASP data for hosted custody.Documentation additions
Documentation updates
- Crypto Payouts API: Documented
purposeOfTransferon create and get. Singapore (CIRCLE_SG) customers must send a payment reason code to create a payout. - Crypto Address Book API: Documented request and response shapes for General and Singapore (CIRCLE_SG) customer entities.
2026.04.02
Continuous payment intents are now the default type when
creating a payment intent.
Documentation additions
Added the following new topic to explain how stablecoin payins and payouts work, including continuous and transient payment intents:Documentation updates
Updated the following quickstarts to align terminology and structure with the stablecoin payins and payouts flow, and to make the steps easier to follow end-to-end:- Quickstart: Receive a Stablecoin Payin (formerly “Quickstart: Crypto Deposits”)
- Quickstart: Refund a Stablecoin Payin (formerly “Quickstart: Crypto Refunds”)
- Quickstart: Send a Stablecoin Payout (formerly “Send USDC from your Circle Mint Account”)
2026.04.01
Launched the Credit API, enabling programmatic access to Settlement Advance and
Line of Credit products. You can now initiate draws, track transfer status,
manage fees, and process repayments through endpoints under
/v1/credit/.Documentation updates
Added the following topics for the Credit API:March 2026
2026.03.10
Added support for USDC on the Morph blockchain.
Documentation updates
Updated the following topics to reflect USDC support on Morph:2026.03.10
Added support for USDC on the EDGE blockchain.