DFlow intent API

openapi: 3.2.0
info:
  title: DFlow Aggregator admin Intent API
  description: DFlow Aggregator API
  license:
    name: BUSL-1.1
  version: 0.1.0
servers:
- url: https://quote-api.dflow.net
security:
- api_key: []
tags:
- name: intent
  description: Intent trading endpoints
paths:
  /intent:
    get:
      tags:
      - intent
      summary: Returns a quote for a declarative swap
      operationId: intent_handler
      parameters:
      - name: userPublicKey
        in: query
        description: 'Base58-encoded address of the swapper''s wallet. If specified, the response will include a

          transaction allowing the user to submit the intent.'
        required: false
        schema:
          type: string
      - name: inputMint
        in: query
        description: Base58-encoded input mint address
        required: true
        schema:
          type: string
      - name: outputMint
        in: query
        description: Base58-encoded output mint address
        required: true
        schema:
          type: string
      - name: amount
        in: query
        description: Input amount as a scaled integer. For example, 1 SOL is 1000000000.
        required: true
        schema:
          type: integer
          format: int64
          minimum: 0
      - name: slippageBps
        in: query
        description: "Max allowed slippage for the swap. Allowed values are:\n- a u16 which specifies the maximum allowed slippage in basis points\n- the string value \"auto\", where the server determines the maximum allowed slippage\n  automatically"
        required: false
        schema:
          $ref: '#/components/schemas/SlippageTolerance'
      - name: priceImpactTolerancePct
        in: query
        description: 'If specified, the API will return an error if the price impact of the route is greater than

          the specified percentage. If unspecified, the server will determine the threshold. For

          example, 10 is 10% and 100 is 100%.'
        required: false
        schema:
          type: integer
          format: int32
          minimum: 0
      - name: platformFeeBps
        in: query
        description: Optional platform fee in basis points. This is taken out of the output of the swap.
        required: false
        schema:
          type: integer
          format: int32
          minimum: 0
      - name: feeAccount
        in: query
        description: 'Base58-encoded address of the token account that will receive the platform fee if a platform

          fee applies to the swap. If specified, this account''s mint must match the output mint for

          the swap.'
        required: false
        schema:
          type: string
      - name: referralAccount
        in: query
        description: 'Base58-encoded address of the referral account associated with the fee account.

          If the fee account isn''t a referral token account derived from the seeds

          `["referral_ata", referral_account, mint]` and the Referral program ID

          `REFER4ZgmyYx9c6He5XfaTMiGfdLwRnkV4RPp9t9iF3`, this should be unspecified. If specified, the

          the intent opening transaction will create the `fee_account` if it doesn''t already exist.

          The user pays for the creation of the fee account. Ignored if `fee_account` is unspecified.'
        required: false
        schema:
          type: string
      - name: wrapAndUnwrapSol
        in: query
        description: If false, the intent will use wrapped SOL
        required: false
        schema:
          type: boolean
      - name: feeBudget
        in: query
        description: 'Maximum amount that the user is willing to pay to have the intent processed in lamports.

          This includes all transaction fees and tips for the open transaction and all transaction

          fees and tips for the fill and close transactions. If unspecified, the server will determine

          the fee budget.'
        required: false
        schema:
          type: integer
          format: int64
          minimum: 0
      - name: maxAutoFeeBudget
        in: query
        description: 'Limit on the automatically-determined maximum fee budget in lamports. If the `fee_budget` is

          unspecified, then the server''s automatically-determined fee budget will be capped at this

          value. If unspecified, the limit defaults to 0.002 SOL. The final fee budget used is

          `min(max_auto_fee_budget, auto_fee_budget_determined_by_server)`.'
        required: false
        schema:
          type: integer
          format: int64
          minimum: 0
      responses:
        '200':
          description: Declarative swap quote
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IntentQuoteResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IntentBadRequestResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IntentInternalServerErrorResponse'
        '503':
          description: Service unavailable
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IntentServiceUnavailableResponse'
  /submit-intent:
    post:
      tags:
      - intent
      summary: Submits a declarative swap transaction for processing
      operationId: submit_intent_handler
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/IntentSwapRequest'
        required: true
      responses:
        '200':
          description: Declarative swap submitted successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IntentSwapResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubmitIntentBadRequestResponse'
components:
  schemas:
    IntentQuoteResponse:
      type: object
      required:
      - inputMint
      - inAmount
      - outputMint
      - outAmount
      - otherAmountThreshold
      - minOutAmount
      - slippageBps
      - feeBudget
      - priceImpactPct
      properties:
        expiry:
          $ref: '#/components/schemas/IntentExpiry'
          description: 'The expiry of the intent. After expiry, the intent cannot be filled and can only be closed.

            Specified if and only if the request included the user''s public key.'
        feeBudget:
          type: integer
          format: int64
          description: 'Maximum amount that the user is willing to pay to have the intent processed in lamports.

            This includes all transaction fees and tips for the open transaction and all transaction

            fees and tips for the fill and close transactions.'
          minimum: 0
        inAmount:
          type: string
          description: Maximum input amount as a scaled integer. For example, 1 SOL is 1000000000.
        inputMint:
          type: string
          description: Base58-encoded input mint address
        lastValidBlockHeight:
          type: integer
          format: int64
          description: 'The last block height at which the blockhash assigned to the open transaction is valid.

            Useful to determine whether the open transaction has expired. Specified if and only if the

            request included the user''s public key.'
          minimum: 0
        minOutAmount:
          type: string
          description: Same as `other_amount_threshold`
        openTransaction:
          type: string
          description: 'Base64-encoded intent opening transaction. The user must sign before sending it via the

            swap endpoint. Specified if and only if the request included the user''s public key.'
        otherAmountThreshold:
          type: string
          description: 'Minimum output amount after all fees as a scaled integer. If the swap transaction doesn''t

            produce at least this amount of the output token, the transaction will fail.'
        outAmount:
          type: string
          description: Expected output amount after all fees as a scaled integer. For example, 1 SOL is 1000000000.
        outputMint:
          type: string
          description: Base58-encoded output mint address
        platformFee:
          oneOf:
          - type: 'null'
          - $ref: '#/components/schemas/IntentPlatformFee'
            description: Platform fee that was applied to the quote, if any
        priceImpactPct:
          type: string
          description: 'Price impact of the swap. This is an estimate of the percentage difference between the

            expected price for the swap and the price for the same swap with the smallest input amount

            possible. For example, "0.01" means 1% price impact.'
        slippageBps:
          type: integer
          format: int32
          description: Max allowed slippage % in basis points
          minimum: 0
    IntentExpiry:
      oneOf:
      - type: object
        description: 'The intent will expire after the specified number of slots have passed since the open

          transaction was processed. For example, if the open transaction was processed in slot 100, a

          value of 10 means the intent will be fillable through slot 110. After slot 110, the intent

          will no longer be fillable.'
        required:
        - slotsAfterOpen
        properties:
          slotsAfterOpen:
            type: integer
            format: int32
            description: 'The intent will expire after the specified number of slots have passed since the open

              transaction was processed. For example, if the open transaction was processed in slot 100, a

              value of 10 means the intent will be fillable through slot 110. After slot 110, the intent

              will no longer be fillable.'
            minimum: 0
    IntentServiceUnavailableResponse:
      type: object
      required:
      - msg
      - code
      properties:
        code:
          $ref: '#/components/schemas/IntentServiceUnavailableCode'
        msg:
          type: string
      example:
        code: <enum<string>>
        msg: <string>
    IntentBadRequestCode:
      type: string
      enum:
      - requested_input_amount_is_zero
      - invalid_input_mint
      - invalid_output_mint
      - invalid_slippage_bps
      - invalid_platform_fee_bps
      - invalid_user_public_key
      - same_input_and_output_mint
      - invalid_fee_account
      - invalid_referral_account
      - requested_fee_budget_too_low
      - invalid_max_auto_fee_budget
      - route_not_found
      - price_impact_too_high
      - invalid_price_impact_tolerance_pct
    IntentInternalServerErrorResponse:
      type: object
      required:
      - msg
      - code
      properties:
        code:
          $ref: '#/components/schemas/IntentInternalServerErrorCode'
        msg:
          type: string
      example:
        code: <enum<string>>
        msg: <string>
    IntentInternalServerErrorCode:
      type: string
      enum:
      - failed_to_compute_route
      - failed_to_construct_intent
    SubmitIntentBadRequestResponse:
      type: object
      required:
      - msg
      - code
      properties:
        code:
          $ref: '#/components/schemas/SubmitIntentBadRequestCode'
        msg:
          type: string
      example:
        code: <enum<string>>
        msg: <string>
    IntentSwapRequest:
      type: object
      required:
      - quoteResponse
      - signedOpenTransaction
      properties:
        quoteResponse:
          $ref: '#/components/schemas/IntentQuoteResponse'
          description: The response from the quote endpoint
        signedOpenTransaction:
          type: string
          description: Base64-encoded intent opening transaction, signed by the user
    SlippageTolerance:
      oneOf:
      - type: integer
        format: int32
        description: Slippage tolerance specified in basis points
        minimum: 0
      - type: string
        description: Slippage tolerance will be determined by the server
        enum:
        - auto
    IntentSwapResponse:
      type: object
      required:
      - programId
      - orderAddress
      - openTransactionSignature
      properties:
        openTransactionSignature:
          type: string
          description: Base58-encoded open transaction signature
        orderAddress:
          type: string
          description: Base58-encoded order address
        programId:
          type: string
          description: Base58-encoded program ID of the program that facilitates the swap
    IntentPlatformFee:
      type: object
      required:
      - amount
      - feeBps
      - segmenterFeeAmount
      - segmenterFeePct
      - feeAccount
      properties:
        amount:
          type: string
          description: Platform fee as a scaled integer. For example, 1 SOL is 1000000000.
        feeAccount:
          type: string
          description: Token account that will receive the platform fee
        feeBps:
          type: integer
          format: int32
          description: Platform fee in basis points
          minimum: 0
        segmenterFeeAmount:
          type: string
          description: Segmenter fee as a scaled integer. For example, 1 SOL is 1000000000.
        segmenterFeePct:
          type: integer
          format: int32
          description: Segmenter fee in percent
          minimum: 0
    IntentServiceUnavailableCode:
      type: string
      enum:
      - amm_map_not_initialized
      - amm_map_lagging
    SubmitIntentBadRequestCode:
      type: string
      enum:
      - invalid_input_mint
      - invalid_output_mint
      - same_input_and_output_mint
      - invalid_in_amount
      - invalid_out_amount
      - invalid_fee_account
      - invalid_open_instruction_fee_budget_too_low
      - invalid_open_transaction
      - invalid_open_instruction_data
      - failed_to_simulate_open_transaction
      - open_transaction_simulation_failed
    IntentBadRequestResponse:
      type: object
      required:
      - msg
      - code
      properties:
        code:
          $ref: '#/components/schemas/IntentBadRequestCode'
        msg:
          type: string
      example:
        code: <enum<string>>
        msg: <string>
  securitySchemes:
    api_key:
      type: apiKey
      in: header
      name: x-api-key
      description: API key for authentication. Contact hello@dflow.net to obtain an API key.