> ## Documentation Index > Fetch the complete documentation index at: https://docs.cdp.coinbase.com/llms.txt > Use this file to discover all available pages before exploring further. # Create buy quote > The Buy Quote API provides clients with a quote based on the asset the user would like to purchase, the network they want to receive it on, the fiat amount of the payment, the payment currency, the payment method, and country of the user. ## OpenAPI ````yaml POST /v1/buy/quote openapi: 3.0.3 info: title: OnrampUnauthService API version: v1 servers: - url: https://api.developer.coinbase.com/onramp security: - bearerAuth: [] tags: - name: Onramp/Offramp paths: /v1/buy/quote: post: tags: - Onramp/Offramp summary: Create buy quote description: >- The Buy Quote API provides clients with a quote based on the asset the user would like to purchase, the network they want to receive it on, the fiat amount of the payment, the payment currency, the payment method, and country of the user. operationId: OnrampOfframp_CreateBuyQuote requestBody: content: application/json: schema: $ref: '#/components/schemas/CreateBuyQuoteRequest' required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/CreateBuyQuoteResponse' description: OK default: content: application/json: schema: $ref: '#/components/schemas/Status' description: Default error response components: schemas: CreateBuyQuoteRequest: description: Create Buy Quote API request parameters properties: country: description: The ISO 3166-1 two letter country code e.g. `US` type: string paymentAmount: description: Amount of fiat to be converted to purchase_currency e.g. `100.00` type: string paymentCurrency: description: Fiat currency for payment_amount e.g. `USD` type: string paymentMethod: description: The type of payment method to be used to purchase enum: - UNSPECIFIED - CARD - ACH_BANK_ACCOUNT - APPLE_PAY - FIAT_WALLET - CRYPTO_ACCOUNT - GUEST_CHECKOUT_CARD - PAYPAL - RTP - GUEST_CHECKOUT_APPLE_PAY format: enum type: string purchaseCurrency: description: >- The ticker (e.g. `BTC`, `USDC`) or the UUID (e.g. `d85dce9b-5b73-5c3c-8978-522ce1d1c1b4`) of crypto asset to be purchased type: string purchaseNetwork: description: Network name to receive crypto on e.g. `ethereum`, `base` type: string subdivision: description: >- The ISO 3166-2 two letter state code e.g. `NY`, only required for `US` type: string destinationAddress: description: >- Destination Wallet address. Optional for creating buy quote. Required for generating a ready-to-use one-click-buy URL type: string clientIp: description: >- The client IP address of the end user. This parameter ensures the quote can only be used by the requesting user. **Do not trust HTTP headers** like `X-Forwarded-For` — these can be easily spoofed. type: string required: - purchaseCurrency - paymentAmount - paymentCurrency - paymentMethod - country type: object CreateBuyQuoteResponse: description: Create Buy Quote API response properties: coinbase_fee: $ref: '#/components/schemas/Amount' network_fee: $ref: '#/components/schemas/Amount' onramp_url: description: >- Ready-to-use one-click-buy URL. Only returned when `destination_address` is provided in the request type: string payment_subtotal: $ref: '#/components/schemas/Amount' payment_total: $ref: '#/components/schemas/Amount' purchase_amount: $ref: '#/components/schemas/Amount' quote_id: description: >- UUID that should be passed into the Onramp Widget URL as the `quoteId` query parameter type: string type: object Status: description: >- The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors). properties: code: description: >- The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code]. format: int32 type: integer details: description: >- A list of messages that carry the error details. There is a common set of message types for APIs to use. items: $ref: '#/components/schemas/GoogleProtobufAny' type: array message: description: >- A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client. type: string type: object Amount: description: A monetary amount represented by a decimal value and currency symbol properties: currency: description: Currency symbol e.g. `USD`, `BTC` type: string value: description: Non-localized amount in decimal notation (e.g. `1.234`) type: string type: object GoogleProtobufAny: additionalProperties: true description: >- Contains an arbitrary serialized message along with a @type that describes the type of the serialized message. properties: '@type': description: The type of the serialized message. type: string type: object securitySchemes: bearerAuth: bearerFormat: JWT description: >- Enter your JSON Web Token (JWT) here. Refer to the [Generate JWT](/api-reference/authentication#2-generate-jwt-server-only) section of our Authentication docs for information on how to generate your Bearer Token. scheme: bearer type: http ````