Cometh

Cometh Connect Paymaster API

ERC-4337 paymaster JSON-RPC endpoint for transaction sponsorship (pm_sponsorUserOperation, pm_supportedEntryPoints) plus REST routes to read and register the sponsored contract addresses and sponsored chains of a project. Chain id in the path; reads use a project apikey in the query string, writes use an apisecret from the back end.

GitHub

Documentation

📖
Documentation
https://docs.cometh.io/paymaster/paymaster-api
📖
APIReference
https://docs.cometh.io/paymaster/paymaster-api
📖
Authentication
https://raw.githubusercontent.com/api-evangelist/cometh/refs/heads/main/authentication/cometh-authentication.yml

API entry from apis.yml

apis.yml Raw ↑ 
name: Cometh Connect Paymaster API
description: ERC-4337 paymaster JSON-RPC endpoint for transaction sponsorship (pm_sponsorUserOperation,
  pm_supportedEntryPoints) plus REST routes to read and register the sponsored contract addresses and
  sponsored chains of a project. Chain id in the path; reads use a project apikey in the query string,
  writes use an apisecret from the back end.
humanURL: https://docs.cometh.io/paymaster/paymaster-api
baseURL: https://paymaster.cometh.io/{chainId}
tags:
- ERC-4337
- Paymaster
- Gasless Transactions
- JSON-RPC
- Blockchain
tags_raw:
- erc-4337
- paymaster
- gasless-transactions
- json-rpc
- blockchain
properties:
- type: Documentation
  url: https://docs.cometh.io/paymaster/paymaster-api
- type: APIReference
  url: https://docs.cometh.io/paymaster/paymaster-api
- type: Authentication
  url: authentication/cometh-authentication.yml