> ## Documentation Index
> Fetch the complete documentation index at: https://etherspot.fyi/llms.txt
> Use this file to discover all available pages before exploring further.

# metadata

> Return paymaster Metadata for EP6

Example values you can use to demo the API:

```json theme={null}
{
  "apiKey": "etherspot_public_key",
  "chainId": "11155111",
}
```

Example response:

```json theme={null}
{
  "sponsorAddress": "0xaeAF09795d8C0e6fA4bB5f89dc9c15EC02021567",
  "sponsorWalletBalance": { "type": "BigNumber", "hex": "0x1ed81fac4b400e4d" },
  "chainsSupported": [
         5,      114,
       420,    84532,
     84531,   421613,
    534351, 11155111,
     
  ],
  "tokenPaymasters": {
    "1": { "USDC": "0x0000000000fABFA8079AB313D1D14Dcf4D15582a" },
    "10": { "USDC": "0x0000000000fce6614d3c6f679e48c9cdd09aa634" },
    "56": { "USDC": "0x0000000000db7995889f54d72dac9d36a9f7f467" },
  }
}
```


## OpenAPI

````yaml arka get /metadata
openapi: 3.0.3
info:
  title: Etherspot Arka Paymaster API
  version: 3.1.3
servers:
  - url: https://rpc.etherspot.io/paymaster
security: []
tags:
  - name: Arka
    externalDocs:
      description: Find out more about Arka
      url: https://etherspot.fyi/arka
externalDocs:
  description: Find out more about Arka
  url: https://etherspot.fyi/arka
paths:
  /metadata:
    get:
      tags:
        - Arka
      summary: metadata
      description: Return paymaster Metadata for EP6
      operationId: metadata
      parameters:
        - in: query
          name: apiKey
          schema:
            type: string
          description: Arka API key
        - in: query
          name: chainId
          schema:
            type: string
          description: Chain ID
      responses:
        '200':
          description: Successful operation

````