July 2026
2026.07.10
Added
nonce support to the Gateway x402 transfer APIs. You can now filter
transfers by nonce, and transfer responses include the nonce field along with
a nullable txHash field.API updates
The following endpoints were updated:GET /v1/x402/transfers— added optionalnoncequery parameter.GET /v1/x402/transfers/{id}— response now includesnonceandtxHash.
May 2026
2026.05.25
Updated the Gateway unified balance Solana quickstart to simplify the
script-based flow and add Direct Mint and Forwarding Service branches.
Documentation updates
The following documentation was updated:2026.05.11
Updated the Gateway unified balance EVM quickstart to simplify the script-based
flow and add Forwarding Service coverage.
Documentation updates
The following documentation was updated:2026.05.05
Added Gateway webhook documentation and subscription management API references.
Documentation additions
The following documentation was created:API additions
Added the following endpoints to support Gateway webhook subscriptions:POST /v2/notifications/subscriptions/permissionlessGET /v2/notifications/subscriptions/permissionlessGET /v2/notifications/subscriptions/permissionless/{id}PUT /v2/notifications/subscriptions/permissionless/{id}DELETE /v2/notifications/subscriptions/permissionless/{id}POST /v2/notifications/subscriptions/permissionless/{id}/testPOST /v2/notifications/subscriptions/permissionless/{id}/test-notificationGET /v2/notifications/signatures/{notificationId}
2026.05.04
Added a new quickstart for making gasless Gateway deposits with Eco.
Documentation additions
The following documentation was created:April 2026
2026.04.29
Updated nanopayments documentation to reflect mainnet launch support.
Documentation updates
The following documentation was updated:2026.04.24
Expanded the nanopayments documentation with additional buyer, seller,
facilitator, and x402 integration guidance.
Documentation updates
The following documentation was updated:- Quickstart: Pay for resources with nanopayments
- Quickstart: Accept payments with nanopayments
- How-to: Integrate nanopayments into your existing facilitator
- How-to: Add nanopayments to an x402 buyer
- How-to: Add nanopayments to an x402 seller
- How-to: Use nanopayments with x402
- How-to: Sign EIP-3009 payment authorizations
2026.04.17
Updated Gateway on Solana documentation to support transfers with the Forwarding
Service and automatic ATA creation.
Documentation updates
The following documentation was updated:March 2026
2026.03.19
Updated the Gateway unified balance quickstarts to support both Circle Wallets
and permissionless implementations on the same page.
Documentation updates
The following documentation was updated:February 2026
2026.02.11
Added Forwarding Service support for Gateway. The following new topic was
created:
2026.02.07
Added support for managing delegates for Smart Contract Account (SCA) wallets.
Documentation additions
The following documentation was created:2026.02.02
Updated Gateway quickstart guides and how-tos to use consistent script structure
and console output patterns.
Documentation updates
The following documentation were updated:January 2026
2026.01.30
2026.01.14
Added support for Gateway on Solana. The following new topics were created: