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

# Request Testnet USDC

> Drip testnet USDC to a wallet on Polygon Amoy for testing.

Request testnet USDC for a wallet on Polygon Amoy. The relay transfers USDC from the faucet pool to the specified address.

<Info>
  The faucet drips 1,000 USDC per request by default. Each wallet is rate-limited to **one request per 24 hours** — requests within the cooldown return `429`.
</Info>

<Warning>
  The faucet requires on-chain environment variables to be configured on the relay. If not configured, the endpoint returns `503`.
</Warning>


## OpenAPI

````yaml api-reference/openapi.json POST /faucet
openapi: 3.1.0
info:
  title: Convallax RFQ API
  version: 3.0.0
  description: >-
    REST surface for the Convallax options protocol — a non-custodial
    request-for-quote marketplace for European calls and puts on Polymarket YES
    outcomes, settled on Polygon.


    **Wire format**: JSON. Successful responses include `"success": true`;
    failures return `{ "success": false, "error": "..." }`.


    **Authentication**: Takers (traders) need no API key — authorization happens
    on-chain at `fill()`. Market makers authenticate with a per-MM API key sent
    as `X-API-Key` (or `?apiKey=`).


    **Streaming**: Quote-request and live-pricing streams use Server-Sent Events
    and the post-trade channel uses WebSocket; those are documented in the
    guides and are not part of this request/response reference.
servers:
  - url: https://api.convallax.com
    description: Production
security: []
tags:
  - name: Series
    description: Browse registered option series available for trading.
  - name: Trading
    description: Open quote requests, read live quotes, and commit to the best price.
  - name: Market Maker
    description: >-
      Submit quotes and confirmation signatures. Authenticated with a per-MM API
      key.
  - name: Settlement
    description: Compute TWAP resolution prices and sign settlement attestations.
  - name: Testnet
    description: Polygon Amoy testnet USDC faucet.
  - name: User
    description: >-
      Account profile and self-serve API keys. Authenticated with a Privy access
      token.
paths:
  /faucet:
    post:
      tags:
        - Testnet
      summary: Request Testnet USDC
      description: >-
        Send testnet USDC to a wallet on Polygon Amoy. Rate-limited per wallet
        (default once per 24h).
      operationId: requestFaucet
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FaucetInput'
      responses:
        '200':
          description: USDC sent
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FaucetResponse'
        '400':
          $ref: '#/components/responses/Error'
        '429':
          $ref: '#/components/responses/Error'
        '500':
          $ref: '#/components/responses/Error'
        '503':
          $ref: '#/components/responses/Error'
components:
  schemas:
    FaucetInput:
      type: object
      required:
        - wallet
      properties:
        wallet:
          type: string
          description: Recipient wallet address (checksummed).
          example: 0xTrader0000000000000000000000000000000000
    FaucetResponse:
      type: object
      properties:
        success:
          type: boolean
          const: true
        amount:
          type: number
          description: USDC amount sent.
          example: 1000
        txHash:
          type: string
          example: 0xabc123...
        message:
          type: string
          example: Sent 1000 USDC to 0xTrader...
    ErrorResponse:
      type: object
      required:
        - success
        - error
      properties:
        success:
          type: boolean
          const: false
        error:
          type: string
          description: Human-readable error message.
          example: Quote request not found or expired
  responses:
    Error:
      description: Error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'

````