Uniswap · Schema

Encode4337Request

Request body for encoding an ERC-4337 UserOperation.

BlockchainCryptocurrencyDeFiDecentralized ExchangeLiquiditySwaps

Properties

Name Type Description
calls array Batch of transactions to encode into the UserOperation.
sender object Smart account address that will execute the operation.
chainId object
paymasterUrl string JSON-RPC URL of a paymaster service for gas sponsorship.
paymasterServiceContext object Opaque context forwarded to the paymaster (e.g. `{ "policyId": "..." }`).
eip7702Auth object
View JSON Schema on GitHub

JSON Schema

uniswap-encode4337-request-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/uniswap/refs/heads/main/json-schema/uniswap-encode4337-request-schema.json",
  "title": "Encode4337Request",
  "description": "Request body for encoding an ERC-4337 UserOperation.",
  "type": "object",
  "properties": {
    "calls": {
      "type": "array",
      "description": "Batch of transactions to encode into the UserOperation.",
      "items": {
        "$ref": "#/components/schemas/TransactionRequest5792"
      },
      "minItems": 1
    },
    "sender": {
      "$ref": "#/components/schemas/Address",
      "description": "Smart account address that will execute the operation."
    },
    "chainId": {
      "$ref": "#/components/schemas/ChainId"
    },
    "paymasterUrl": {
      "type": "string",
      "format": "uri",
      "description": "JSON-RPC URL of a paymaster service for gas sponsorship."
    },
    "paymasterServiceContext": {
      "type": "object",
      "description": "Opaque context forwarded to the paymaster (e.g. `{ \"policyId\": \"...\" }`)."
    },
    "eip7702Auth": {
      "$ref": "#/components/schemas/Eip7702Authorization"
    }
  },
  "required": [
    "calls",
    "sender",
    "chainId"
  ]
}

Work with this as data

Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for schemas

4 MCP tools reach this
  • find_json_schemasBrowse and filter every JSON Schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/uniswap-encode4337-request"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.