Hi all, I’m proposing an x402 specification for the Internet Computer (ICP) and would love feedback from the community. feat: add ICP chain specification for `exact` scheme main ← ldclabs:feat/icp …

An IC network chain id can be referenced by it’s public key hash e.g. icp:737ba355e855bd4b61279056603e0550 for IC mainnet. ICRC-113 defines a network registry of known networks where mainnet has chain id icp:1. So icp:1 is an entry in the network registry that refers to icp:737ba355e855bd4b6127905…

Request for review: x402 "exact" scheme on ICP

Developers

zensh October 29, 2025, 12:59pm 3

I have built a decentralized x402 payment facilitator on ICP with this scheme.

4 Likes

Topic		Replies	Views
Consensus x402 ICP Facilitator is live + Servers and Client libraries published! Developers Discussing	0	114	March 8, 2026
Closed: BNT-6 - Point-of-Sale Payment Dapp Bounties & RFPs	81	3153	February 21, 2024
ICP smart contracts running Sui-Move contracts Showcase	28	558	December 7, 2025
DeFi with ICP seems temporarily crippled(on purpose? - Yes! For Now.) Language Support	17	4621	May 28, 2023
icRamp — A Trustless Multi-Chain P2P On/Off-Ramp on ICP Showcase	0	122	November 15, 2025

Request for review: x402 "exact" scheme on ICP

Related topics