> ## Documentation Index > Fetch the complete documentation index at: https://docs.grainfinance.co/llms.txt > Use this file to discover all available pages before exploring further. # Quote > Generates a conversion rate proposal for a new currency conversion. ## OpenAPI ````yaml POST /conversions/quote openapi: 3.1.0 info: title: Grain API version: 1.0.0 description: >- Grain's API provides a comprehensive set of endpoints for managing hedging, spot transactions, pricing, and fund movements - enabling seamless integration of FX workflows into your platform. Each API call follows REST conventions, uses secure authentication, and returns standardized responses for consistency across environments. license: name: Creative Commons Attribution 3.0 contact: name: Grain Finance url: https://docs.grainfinance.co email: support@grainfinance.co termsOfService: https://grainfinance.co/terms-of-service/ x-apiClientRegistration: url: https://grainfinance.co/partners servers: - url: https://api.grainfinance.co/v1 description: Grain API security: [] tags: - name: Hedges description: >- Hedge objects represent transactions that lock exchange rates for future dates. A single hedge locks an exchange rate for a future transaction between two currencies. - name: Dual Hedges description: >- A dual hedge mitigates FX risk by automatically generating two linked hedge legs - a customer leg and a supplier leg - both routed through the customer's functional currency. This structure reduces exposure to currency fluctuations for both cash flow and accounting purposes, while allowing independent tracking and reporting of each hedge leg. - name: Customers description: >- Customer objects represent your end customers on the Grain platform. A customer must be created before a hedge or spot transaction can be initiated. - name: Pricing description: >- Pricing endpoints provide access to FX rates for currency pairs that are not being hedged. These endpoints can be used for live rate display or bulk retrieval to support high-volume quoting workflows. - name: Spots description: >- Spot objects represent currency conversions executed for immediate or near-term settlement. - name: Conversions description: >- Conversion objects represent currency conversions executed for immediate or near-term settlement. - name: Wallets description: Endpoints to view balances, manage funding, and perform transfers. paths: /conversions/quote: post: tags: - Conversions description: Generates a conversion rate proposal for a new currency conversion. operationId: Quote parameters: - in: header name: X-Customer-IP required: true schema: $ref: '#/components/schemas/CustomerIP' requestBody: description: The payload required in order to ask for a conversion quote required: true content: application/json: schema: $ref: '#/components/schemas/ConversionQuoteRequestBody' description: The payload required in order to ask for a conversion quote responses: '201': description: Conversion Proposal Created content: application/json: schema: $ref: '#/components/schemas/ConversionProposalResponseBody' '400': description: >- The request failed because it is not well-formed or is syntactically incorrect or violates schema. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '404': description: The request failed because the resource does not exist. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '409': description: The request failed because a business rule constraint was violated. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '412': description: The request failed because one or more preconditions were not met. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '422': description: >- The request failed because it is either semantically incorrect or has failed business validation. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '451': description: The request failed due to legal restrictions. content: application/json: schema: $ref: '#/components/schemas/RejectedByIPError' security: - api-key: [] components: schemas: CustomerIP: type: string format: IPv4 description: >- The IPv4 address of the browser from which the customer contacts your platform.
_example_: `192.158.1.38` pattern: ((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)\.?\b){4} ConversionQuoteRequestBody: description: >- Information required by Grain in order to generate a conversion quote proposal. properties: fromCurrency: type: string description: >- The currency in which the transaction should be paid at by your customer. example: MXN toCurrency: type: string description: >- The currency in which the inventory item is listed at on your platform. example: USD toCurrencyAmount: type: number format: double description: >- The amount of `toCurrency` to convert, using this amount and the conversion rate will determine the `fromCurrency` amount. example: 1560 required: - fromCurrency - toCurrency type: object additionalProperties: false ConversionProposalResponseBody: properties: id: $ref: '#/components/schemas/UUID' description: The id of the conversion proposal within the Grain platform. example: 8173b9a7-ee61-413e-b9e3-7c04b2a067c5 fromCurrency: type: string description: >- The original currency that will be converted into a different currency. This is the currency the user wants to exchange or convert in the transaction. example: MXN toCurrency: type: string description: >- The target currency that the original currency (fromCurrency) will be converted into. This is the desired currency after the conversion process is complete. example: USD toCurrencyAmount: type: number format: double description: The amount to transfer in the toCurrency example: 1560 fromCurrencyAmount: type: number format: double description: The amount to transfer in the fromCurrency example: 32161.8 quote: type: number format: double description: The rate locked by this conversion. example: 20.6165 validUntilTs: type: number format: double description: The unix timestamp until which the conversion offer is valid. example: 1659625098 required: - id - fromCurrency - toCurrency - quote - validUntilTs type: object additionalProperties: false ErrorResponse: description: An API Error properties: message: type: string description: A short explanation of the error. example: Can't perform this action reason: type: string description: A detailed description of the reason for the failure. example: >- Supplied object is in *Cancelled* state, which prevents performing this action required: - message type: object additionalProperties: false RejectedByIPError: properties: message: type: string description: A short explanation of the error. example: Could not parse IP address (v4 or v6) for ip required: - message type: object additionalProperties: false UUID: type: string format: uuid description: |- Stringified UUIDv4. See [RFC 4112](https://tools.ietf.org/html/rfc4122) pattern: >- [0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-4[0-9A-Fa-f]{3}-[89ABab][0-9A-Fa-f]{3}-[0-9A-Fa-f]{12} securitySchemes: api-key: type: http scheme: basic description: >- Basic authentication using the partner API keys from https://console.grainfinance.co/keys ````