> ## Documentation Index > Fetch the complete documentation index at: https://docs.bastion.com/llms.txt > Use this file to discover all available pages before exploring further. # Get Quote > Get an indicative quote for an off-ramp conversion. Wraps the upstream provider's quote API; stateless and not rate-locked. ## OpenAPI ````yaml /v2/openapi.yaml get /v2/conversions/quotes openapi: 3.1.0 info: title: Bastion APIs version: '2.0' servers: - url: https://api.prod.bastion.com description: Production environment - url: https://api.sandbox.bastion.io description: Sandbox environment security: - auth: [] tags: - name: Bastion APIs paths: /v2/conversions/quotes: get: tags: - Conversions summary: Get Quote description: |- Get an indicative quote for an off-ramp conversion. Wraps the upstream provider's quote API; stateless and not rate-locked. operationId: bastion.api.v2.API.GetQuote parameters: - name: source_currency in: query description: Source asset currency. Must be USDC or USDT. required: true schema: $ref: '#/components/schemas/bastion.api.v2.conversions.ConversionCurrency' title: source_currency - name: source_chain in: query description: >- Source blockchain network. e.g., SOLANA_MAINNET, ETHEREUM_MAINNET, BASE_MAINNET. required: true schema: $ref: '#/components/schemas/bastion.common.Chain' title: source_chain - name: destination_currency in: query description: Destination fiat currency. e.g., MXN, INR. required: true schema: $ref: '#/components/schemas/bastion.api.v2.conversions.ConversionCurrency' title: destination_currency - name: destination_country in: query description: >- Destination country (ISO 3166-1 alpha-2). Must form a supported corridor with destination_currency and payment_method. required: true schema: $ref: '#/components/schemas/bastion.common.Country' title: destination_country - name: payment_method in: query description: >- Payment rail. Must match an enabled corridor for the destination country. required: true schema: $ref: '#/components/schemas/bastion.api.v2.conversions.PaymentMethod' title: payment_method - name: source_amount in: query description: Amount of source currency (USDC or USDT) to convert. schema: type: string title: source_amount - name: destination_amount in: query description: Amount of destination fiat the recipient should receive. schema: type: string title: destination_amount - name: source_total_max in: query description: >- Max all-in source debit (wallet budget). Bastion solves principal + fees. schema: type: string title: source_total_max - name: fee_model in: query description: >- (OPTIONAL) Override fee model for this quote. Omit to use app config default. required: false schema: oneOf: - $ref: '#/components/schemas/bastion.common.FeeModel' - type: 'null' title: fee_model - name: developer_fee_percent in: query description: >- (OPTIONAL) Pin developer fee rate for this quote (e.g. first-remittance promo at 0.00). required: false schema: type: string title: developer_fee_percent - name: developer_fee_amount in: query description: >- (OPTIONAL) Flat developer fee override. Mutually exclusive with developer_fee_percent. required: false schema: type: string title: developer_fee_amount responses: '200': description: Success content: application/json: schema: $ref: '#/components/schemas/bastion.api.v2.conversions.Quote' '400': description: Bad request '401': description: Unauthorized Request '500': description: Internal server error '502': description: Upstream provider error components: schemas: bastion.api.v2.conversions.ConversionCurrency: type: string title: ConversionCurrency enum: - CONVERSION_CURRENCY_UNSPECIFIED - USDC - USD - MXN - INR - KRW - USDT - GHS - EUR description: |- Currency of a conversion. The currency can be a stablecoin or a fiat currency. example: USDC bastion.common.Chain: type: string title: Chain enum: - CHAIN_UNSPECIFIED - ETHEREUM_MAINNET - POLYGON_MAINNET - ETHEREUM_TESTNET - OPTIMISM_SEPOLIA - BASE_MAINNET - BASE_SEPOLIA - OPTIMISM_MAINNET - POLYGON_AMOY - SOLANA_MAINNET - SOLANA_DEVNET description: Chain identifier example: ETHEREUM_MAINNET bastion.common.Country: type: string title: Country enum: - US description: ISO 3166-1 alpha-2 country code. example: US bastion.api.v2.conversions.PaymentMethod: type: string title: PaymentMethod enum: - PAYMENT_METHOD_UNSPECIFIED - BLOCKCHAIN - WIRE - SPEI - IMPS_FIRC - BANK_TRANSFER - SEPA description: Transfer mechanism for the conversion. example: BLOCKCHAIN bastion.common.FeeModel: type: string title: FeeModel enum: - FEE_MODEL_UNSPECIFIED - INCLUSIVE - DEDUCTED - ON_TOP description: Fee model for a conversion. example: INCLUSIVE bastion.api.v2.conversions.Quote: type: object properties: exchange_rate: type: string title: exchange_rate description: FX rate applied. limits: $ref: '#/components/schemas/bastion.api.v2.conversions.QuoteLimits' title: limits description: Per-corridor transaction limits. source: $ref: '#/components/schemas/bastion.api.v2.conversions.QuoteSource' title: source description: Source side of the quote. destination: $ref: '#/components/schemas/bastion.api.v2.conversions.QuoteDestination' title: destination description: Destination side of the quote. fees_total: type: string title: fees_total description: Total fees as a decimal string. fees_total_currency: $ref: '#/components/schemas/bastion.api.v2.conversions.ConversionCurrency' title: fees_total_currency description: Currency that fees_total is denominated in. fees: type: array items: $ref: '#/components/schemas/bastion.api.v2.conversions.Fee' title: fees description: Itemized fee breakdown. fee_model: $ref: '#/components/schemas/bastion.common.FeeModel' title: fee_model description: Fee model applied to this quote. readOnly: true id: type: string title: id description: Bastion quote identifier. Submit as ConversionRequest.quote_id. readOnly: true locked: type: boolean title: locked description: >- When true, exchange_rate and fees_total are guaranteed until expires_at. When false, pricing is indicative only and upstream rates may drift between quote and submit (Walapay/Borderless quotes are typically stable ~5-10 minutes in practice, but Bastion does not enforce a rate lock at launch). Always false at launch. Off-ramp submit requires quote_id with matching source/destination/fee inputs regardless of locked; locked only controls rate/fee guarantee, not whether submit validates quote binding. readOnly: true expires_at: type: string title: expires_at description: >- Quote expiry (RFC 3339). Submit after this time is rejected with QUOTE_EXPIRED. readOnly: true title: Quote additionalProperties: false description: >- Indicative pricing for an off-ramp conversion. Each quote is persisted and must be referenced by quote_id on submit. Not rate-locked at launch. bastion.api.v2.conversions.QuoteLimits: type: object properties: min_amount: type: - string - 'null' title: min_amount description: >- Minimum transaction amount for the corridor. May be null upstream; we omit the field if not present. max_amount: type: - string - 'null' title: max_amount description: >- Maximum transaction amount for the corridor. Nullable when the upstream provider does not define an upper bound; clients should treat the absence of this field as "no upper bound". currency: $ref: '#/components/schemas/bastion.api.v2.conversions.ConversionCurrency' title: currency description: >- Currency the limits are denominated in (typically the destination fiat). title: QuoteLimits additionalProperties: false description: >- Per-corridor transaction limits passed through from the upstream provider. bastion.api.v2.conversions.QuoteSource: type: object properties: amount: type: string title: amount description: Source amount as a decimal string (e.g. "25.00"). currency: $ref: '#/components/schemas/bastion.api.v2.conversions.ConversionCurrency' title: currency description: Source asset currency. chain: $ref: '#/components/schemas/bastion.common.Chain' title: chain description: Source blockchain network. Present for crypto sources. payment_method: $ref: '#/components/schemas/bastion.api.v2.conversions.PaymentMethod' title: payment_method description: Transfer mechanism for the source side (BLOCKCHAIN for off-ramp). total: type: string title: total description: >- All-in wallet debit in source currency (principal plus fees where applicable). readOnly: true title: QuoteSource additionalProperties: false description: 'Source side of a quote: the asset being sent.' bastion.api.v2.conversions.QuoteDestination: type: object properties: amount: type: string title: amount description: Destination amount as a decimal string (e.g. "410.55"). currency: $ref: '#/components/schemas/bastion.api.v2.conversions.ConversionCurrency' title: currency description: Destination fiat currency. country: $ref: '#/components/schemas/bastion.common.Country' title: country description: >- Destination country (ISO 3166-1 alpha-2). Present for fiat destinations. payment_method: $ref: '#/components/schemas/bastion.api.v2.conversions.PaymentMethod' title: payment_method description: Payment rail on the destination side (e.g. SPEI, WIRE, IMPS_FIRC). title: QuoteDestination additionalProperties: false description: 'Destination side of a quote: the fiat being received.' bastion.api.v2.conversions.Fee: type: object properties: amount: type: string title: amount description: Fee amount as a decimal string (e.g. "2.50"). currency: $ref: '#/components/schemas/bastion.api.v2.conversions.ConversionCurrency' title: currency description: Currency the fee is denominated in. type: $ref: '#/components/schemas/bastion.common.FeeType' title: type description: Category of the fee (e.g. platform fee). fee_percent: type: string title: fee_percent description: >- Percentage rate on the DEVELOPER line (informational; omitted on PLATFORM). readOnly: true title: Fee additionalProperties: false description: Individual fee line item on a conversion. bastion.common.FeeType: type: string title: FeeType enum: - FEE_TYPE_UNSPECIFIED - PLATFORM - DEVELOPER description: Type of fee charged on a conversion. example: PLATFORM securitySchemes: auth: type: http description: Bearer authentication with an API token scheme: bearer ```` ## Related topics - [Off-ramp: Withdraw stablecoin internationally](/guides/quickstarts/off-ramp/international-bank-account.md) - [Conversions API overview](/v2/api-reference/conversions/overview.md) - [Supported off-ramp payout countries](/guides/getting-started/supported-off-ramp-payout-countries.md) - [Stablecoin on-ramp and off-ramp conversions](/guides/concepts/stablecoin-conversions.md) - [Get Conversion](/v2/api-reference/conversions/get-conversion.md)