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

# Get Transfer Quote

> Get a quote for transferring tokens across chains. Supports bridging with optional token conversion on the destination chain.

Supported source chains: Base, BSC.
Supported destination chains: Base, BSC, Ethereum, Polygon, Arbitrum, Avalanche, Solana.




## OpenAPI

````yaml POST /transfer/quote
openapi: 3.1.0
info:
  title: Zet API
  description: >
    The Zet API enables businesses to integrate smart on/off ramp, token swap,
    and cross-chain transfer capabilities into their applications.


    Built on ERC-4337 smart accounts with gas-sponsored transactions, Zet
    handles the complexity of blockchain interactions so you can focus on your
    product.


    ## Base URL


    ```

    https://api.zet.money/v1

    ```


    ## Authentication


    All requests must include your API key in the `x-api-key` header. Contact
    [zetdotmoney@gmail.com](mailto:zetdotmoney@gmail.com) to obtain your API
    keys.


    ## Rate Limits


    - **60 requests per minute** per API key (default)

    - Rate limit headers are included in every response

    - Contact us for higher limits
  version: 1.0.0
  contact:
    name: Zet Support
    url: https://zet.money/support
    email: support@zet.money
  license:
    name: Proprietary
servers:
  - url: https://api.zet.money/v1
    description: Production
  - url: https://api-staging.zet.money/v1
    description: Staging
security:
  - apiKey: []
tags:
  - name: Wallets
    description: Create and manage smart wallets for your users
  - name: On-Ramp
    description: Buy crypto with Nigerian Naira (NGN)
  - name: Off-Ramp
    description: Sell crypto for Nigerian Naira (NGN)
  - name: Swap
    description: Swap tokens on the same chain or across chains
  - name: Cross-Chain Transfer
    description: Transfer tokens across different blockchains
  - name: Webhooks
    description: Register webhook URLs to receive async event notifications
  - name: Transactions
    description: Query transaction history and details
paths:
  /transfer/quote:
    post:
      tags:
        - Cross-Chain Transfer
      summary: Get transfer quote
      description: >
        Get a quote for transferring tokens across chains. Supports bridging
        with optional token conversion on the destination chain.


        Supported source chains: Base, BSC.

        Supported destination chains: Base, BSC, Ethereum, Polygon, Arbitrum,
        Avalanche, Solana.
      operationId: getTransferQuote
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TransferQuoteRequest'
      responses:
        '200':
          description: Transfer quote.
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    example: true
                  data:
                    $ref: '#/components/schemas/TransferQuote'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
components:
  schemas:
    TransferQuoteRequest:
      type: object
      required:
        - fromChain
        - toChain
        - token
        - amount
      properties:
        fromChain:
          $ref: '#/components/schemas/PrimaryChain'
        toChain:
          $ref: '#/components/schemas/Chain'
        token:
          type: string
          description: Token symbol to transfer.
          example: USDC
        toToken:
          type: string
          description: >-
            Destination token symbol if different from source. Enables bridge +
            swap.
          example: USDC
        amount:
          type: string
          example: '100'
        destinationAddress:
          type: string
          description: >-
            Recipient address on the destination chain. Required for cross-chain
            transfers.
          example: 0xdef...
    TransferQuote:
      type: object
      properties:
        quoteId:
          type: string
          example: qt_01H8X6...
        fromChain:
          $ref: '#/components/schemas/PrimaryChain'
        toChain:
          $ref: '#/components/schemas/Chain'
        fromToken:
          type: string
          example: USDC
        toToken:
          type: string
          example: USDC
        fromAmount:
          type: string
          example: '100'
        toAmount:
          type: string
          description: Estimated amount received on destination chain.
          example: '99.85'
        fees:
          type: object
          properties:
            platformFee:
              type: string
              description: 'Zet cross-chain fee: 50 NGN converted to source token.'
              example: '0.032'
            platformFeeFiat:
              type: string
              example: '50'
            bridgeFee:
              type: string
              description: Bridge protocol fee.
              example: '0.15'
            totalFee:
              type: string
              example: '0.182'
        route:
          type: object
          properties:
            steps:
              type: integer
              example: 2
            estimatedTime:
              type: string
              example: 2-5 minutes
            bridge:
              type: string
              description: Bridge protocol used.
              example: Bridge Protocol
        expiresAt:
          type: string
          format: date-time
    PrimaryChain:
      type: string
      enum:
        - base
        - bsc
      description: Primary chains where Zet-managed wallets operate
    Chain:
      type: string
      enum:
        - base
        - bsc
        - ethereum
        - polygon
        - arbitrum
        - avalanche
        - solana
      description: Blockchain network identifier
    Error:
      type: object
      required:
        - success
        - error
      properties:
        success:
          type: boolean
          example: false
        error:
          type: object
          required:
            - code
            - message
          properties:
            code:
              type: string
              example: INVALID_REQUEST
            message:
              type: string
              example: The 'amount' field is required.
  responses:
    BadRequest:
      description: Invalid request parameters.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            success: false
            error:
              code: INVALID_REQUEST
              message: The 'amount' field must be a positive number.
    Unauthorized:
      description: Missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            success: false
            error:
              code: UNAUTHORIZED
              message: Invalid API key.
    RateLimited:
      description: Rate limit exceeded.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            success: false
            error:
              code: RATE_LIMITED
              message: Rate limit exceeded. Try again in 60 seconds.
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: x-api-key
      description: Your Zet API key. Contact zetdotmoney@gmail.com to obtain your keys.

````