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OpenAPI Specification

openapi: 3.2.0
info:
  title: ACH Inquiry ACH Transactions API
  version: 2.1.2
  description: Use the ACH Inquiry API to get the status on ACH transactions based on your query criteria.
  contact:
    name: KeyBank Developer Support
    email: embedded_banking_support@keybank.com
servers:
- url: https://partner-api-qv.key.com
  description: Non-Production environment (QV)
- url: https://partner-api.key.com
  description: Production and Simulator environment
security:
- bearerAuth: []
tags:
- name: ACH Transactions
  description: ACH Inquiry functions to list and retrieve ACH transaction details
paths:
  /accounts/transactions/v1/ach/detail/{parNumber}:
    get:
      security:
      - bearerAuth: []
      tags:
      - ACH Transactions
      summary: Get details about an ACH transaction with a parNumber.
      operationId: searchAchTransaction
      description: Use the parNumber to retrieve information about an ACH transaction. The parNumber can be obtained from the ACH List endpoint.
      parameters:
      - name: X-CorrelationId
        in: header
        schema:
          type: string
        required: false
        description: Universal ID to trace the transaction across all systems involved.
      - name: parNumber
        in: path
        required: true
        description: The unique parNumber assigned to the transaction by the ACH processor.
        schema:
          type: string
          maxLength: 50
        example: 22018007665985
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AchDetailTransaction'
              example:
                transactionStatus: COLLECTED
                traceNumber: 043000090716192
                parNumber: '22018007665985'
                transactionAmount: 10.01
                settlementDate: '2021-03-08'
                collectionDate: '2021-03-07'
                transactionCode: '22'
                transactionDescription: DEPOSIT
                authorizedCustomerName: TEST CUSTOMER1
                standardEntryClassCode: CCD
                receivingAccount:
                  accountNumber: '123456789012'
                  routingNumber: '123456789'
                  bankNumber: '0000'
                receivingParty:
                  customerIdentificationNumber: 099999999
                  companyName: MERCHANT
                  customerName: TEST MERCHANT
                originatingAccount:
                  accountNumber: '3123456789'
                  routingNumber: '1234567890'
                  bankNumber: '0000'
                originatingParty:
                  customerIdentificationNumber: '1234567'
                  companyName: COMPANY NAME 1
                  customerName: CUSTOMER NAME 1
                returnReasonCode: R02
                returnReasonDescription: Account Closed
                returnDate: '2024-02-01'
                addendaCount: 1
                notificationOfChangeAddendaCount: 0
                internationalAddendaCount: 0
                settlementAmount: 123.45
                settlementTransactionId: '23218003015954'
                customData: merchant:status
                checkSerialNumber: '4345'
                transactionDirection: Receiving Item
                standardEntryClassDescription: Cash Concentration or Disbursement
                transactionCodeDescription: Automated Deposit
                addenda:
                - sequenceNumber: 1
                  entryDetailSequenceNumber: '188'
                  paymentRelatedInformation: Addenda Record (Applies to CCD, CTX, PPD, and WEB entries)
                notificationOfChange:
                - changeCode: C02
                  changeDescription: Incorrect transit/routing number
                  correctedData: '1234567890'
        '404':
          description: No ACH transaction was found with the provided parNumber
          headers:
            X-CorrelationId:
              description: A unique identifier generated for each transaction that remains with the transaction through the chain of API operations.
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Exception'
              example:
                ErrorMessage: Error received from backend service
                TransactionId: 84293235-5d2c-42ba-afc3-a5d4afc5f88e27097
                X-CorrelationId: 929618f2-6163-bf73-51b0-6c54a8533c74
                TransactionTime: '2021-06-11T16:31:34.041Z'
                Api-Url: https://partner-api-qv.key.com/accounts/transactions/v1/ach/detail/22018007665985
                ServiceError:
                  metadata:
                    messages:
                    - code: AI-Detail-404-no-records-100
                      message: Record Not Found
        '500':
          description: Unexpected server error
          headers:
            X-CorrelationId:
              schema:
                type: string
              description: A unique identifier generated for each transaction that remains with the transaction through the chain of API operations.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Exception'
              example:
                ErrorMessage: Error received from backend
                TransactionId: 84293235-5d2c-42ba-afc3-a5d4afc5f88e27097
                TransactionTime: '2021-06-11T16:31:34.041Z'
                X-CorrelationId: 929618f2-6163-bf73-51b0-6c54a8533c74
                Api-Url: https://partner-api-qv.key.com/accounts/transactions/v1/ach/detail/22018007665985
                ServiceError:
                  metadata:
                    messages:
                    - code: 500-InternalServerError
                      message: An unexpected error occurred.  Please try again later or contact support if the problem persists.
  /accounts/transactions/v1/ach/list:
    post:
      operationId: searchAchTransactions
      security:
      - bearerAuth: []
      tags:
      - ACH Transactions
      summary: Advanced search for ACH transactions
      description: Search for ACH transactions by passing certain search parameters.
      parameters:
      - name: X-CorrelationId
        in: header
        schema:
          type: string
        required: false
        description: Universal ID to trace the transaction across all systems involved.
      requestBody:
        content:
          application/json:
            schema:
              type: object
              required:
              - accountNumber
              - fromDate
              - toDate
              properties:
                accountNumber:
                  type: string
                  description: The bank account number. This field cannot exceed 16 characters.
                  minLength: 1
                  maxLength: 16
                  examples:
                  - '3123456789'
                fromDate:
                  type: string
                  format: date
                  description: 'Start date for the date range. This date must be the current date or prior to the current date. Cannot be earlier than 180 days prior to the current date. Format: YYYY-MM-DD'
                  examples:
                  - '2024-02-01'
                toDate:
                  type: string
                  format: date
                  description: 'End date for the date range. This date can be the current day or a later date from the start date (fromDate). The date range should not be longer than 31 days. Format: YYYY-MM-DD'
                  examples:
                  - '2024-02-01'
                minimumAmount:
                  type: number
                  format: double
                  description: The minimum dollar amount of the transaction. This amount must be less than or equal to the maximum amount. Leave blank or enter zero for no minimum amount.
                  minimum: 0
                  maximum: 1000000000
                  examples:
                  - 100.0
                maximumAmount:
                  type: number
                  format: double
                  description: The maximum dollar amount of the transaction. This amount must be greater than or equal to the minimum amount. Leave blank to retrieve all amounts. This amount cannot exceed one billion dollars.
                  minimum: 0
                  maximum: 1000000000
                  examples:
                  - 75020.5
                traceNumber:
                  type: string
                  description: The traceNumber for the transaction provided by the originator.
                  minLength: 1
                  maxLength: 16
                  examples:
                  - 043000090716192
                pageNumber:
                  type: integer
                  description: The number of the page being viewed. This number must be greater than or equal to 1.
                  examples:
                  - 1
                pageSize:
                  type: integer
                  description: The number of records per page. Must be between 1 and 1000.
                  examples:
                  - 500
            example:
              accountNumber: '3123456789'
              fromDate: '2024-02-01'
              toDate: '2024-02-01'
              minimumAmount: 100.0
              maximumAmount: 75020.5
              traceNumber: 043000090716192
              pageNumber: 1
              pageSize: 150
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  transactions:
                    type: array
                    maxItems: 1000
                    description: List of transactions from search criteria.
                    items:
                      $ref: '#/components/schemas/AchListTransaction'
                  metadata:
                    allOf:
                    - $ref: '#/components/schemas/PageMetadata'
                    description: Information about the data pages returned.
              example:
                transactions:
                - parNumber: '22018007665985'
                  transactionStatus: COLLECTED
                  traceNumber: 043000090716192
                  transactionAmount: 10.01
                  collectionDate: '2021-03-07'
                  settlementDate: '2021-03-08'
                  transactionCode: '22'
                  transactionDescription: DEPOSIT
                  authorizedCustomerName: TEST CUSTOMER1
                  standardEntryClassCode: CCD
                  receivingAccount:
                    accountNumber: '123456789012'
                  receivingParty:
                    customerIdentificationNumber: 099999999
                    companyName: MERCHANT
                  originatingAccount:
                    accountNumber: '3123456789'
                  originatingParty:
                    customerIdentificationNumber: '1234567'
                    companyName: COMPANY NAME 1
                  returnDate: '2024-02-01'
                  returnReasonCode: R02
                  returnReasonDescription: Account Closed
                  addendaCount: 1
                  notificationOfChangeAddendaCount: 0
                  internationalAddendaCount: 0
                  settlementAmount: 123.45
                  settlementTransactionId: '23218003015954'
                metadata:
                  page:
                    pageNumber: 1
                    pageSize: 25
                    totalPages: 3
                    totalRecords: 75
                    lastPage: false
        '400':
          description: Bad input parameter
          headers:
            X-CorrelationId:
              description: A unique identifier generated for each transaction that remains with the transaction through the chain of API operations.
              schema:
                type: string
          content:
            application/json:
              schema:
                type: object
                properties:
                  metadata:
                    allOf:
                    - $ref: '#/components/schemas/Exception'
              example:
                ErrorMessage: Error received from backend service
                TransactionId: 84293235-5d2c-42ba-afc3-a5d4afc5f88e27097
                X-CorrelationId: 929618f2-6163-bf73-51b0-6c54a8533c74
                TransactionTime: '2021-06-11T16:31:34.041Z'
                Api-Url: https://partner-api-qv.key.com/accounts/transactions/v1/ach/list
                ServiceError:
                  metadata:
                    messages:
                    - code: AI-List-400-fromDate-105
                      message: fromDate format must be YYYY-MM-DD
                    - code: AI-List-400-fromDate-117
                      message: fromDate must be a valid date
        '403':
          description: Entitlements validation failed
          headers:
            X-CorrelationId:
              description: A unique identifier generated for each transaction that remains with the transaction through the chain of API operations.
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Exception'
              example:
                ErrorMessage: Error received from backend service
                TransactionId: 84293235-5d2c-42ba-afc3-a5d4afc5f88e27097
                X-CorrelationId: 929618f2-6163-bf73-51b0-6c54a8533c74
                TransactionTime: '2021-06-11T16:31:34.041Z'
                Api-Url: https://partner-api-qv.key.com/accounts/transactions/v1/ach/list
                ServiceError:
                  metadata:
                    messages:
                    - code: 403-Forbidden
                      message: Entitlements Validation Failed
        '500':
          description: Unexpected server error
          headers:
            X-CorrelationId:
              schema:
                type: string
              description: A unique identifier generated for each transaction that remains with the transaction through the chain of API operations.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Exception'
              example:
                ErrorMessage: Error received from backend
                TransactionId: 84293235-5d2c-42ba-afc3-a5d4afc5f88e27097
                TransactionTime: '2021-06-11T16:31:34.041Z'
                X-CorrelationId: 929618f2-6163-bf73-51b0-6c54a8533c74
                Api-Url: https://partner-api-qv.key.com/accounts/transactions/v1/ach/list
                ServiceError:
                  metadata:
                    messages:
                    - code: 500-InternalServerError
                      message: An unexpected error occurred.  Please try again later or contact support if the problem persists.
  /accounts/transactions/v1/ach/settled/{settlementTransactionId}:
    get:
      operationId: searchAchSettledTransactions
      security:
      - bearerAuth: []
      tags:
      - ACH Transactions
      summary: Advanced search for settled ACH transactions
      description: Search for ACH batch details of transactions that have posted to the KeyBank account where the status is settled or returned.
      parameters:
      - name: X-CorrelationId
        in: header
        schema:
          type: string
        required: false
        description: Universal ID to trace the transaction across all systems involved.
      - name: settlementTransactionId
        in: path
        required: true
        description: The transaction ID that is assigned during settlement. This can be obtained from the Commercial Accounting API.
        schema:
          type: string
          maxLength: 50
        example: 23218003015954
      - name: pageNumber
        in: query
        description: The number of the page being viewed. This number must be greater than or equal to 1.
        schema:
          type: integer
          default: 1
          minimum: 1
        example: 1
      - name: pageSize
        in: query
        description: The number of records per page. Must be between 1 and 1000.
        schema:
          type: integer
          default: 1000
          minimum: 1
          maximum: 1000
        example: 150
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  transactions:
                    type: array
                    maxItems: 1000
                    description: List of transactions from search criteria.
                    items:
                      $ref: '#/components/schemas/AchSettledTransaction'
                  metadata:
                    allOf:
                    - $ref: '#/components/schemas/PageMetadata'
                    description: Information about the data pages returned.
              examples:
                settled:
                  summary: Settled Transaction
                  value:
                    transactions:
                    - parNumber: '22018007665985'
                      transactionStatus: SETTLED
                      traceNumber: 043000090716192
                      transactionAmount: 10.01
                      collectionDate: '2021-03-07'
                      settlementDate: '2021-03-08'
                      transactionCode: '22'
                      transactionDescription: DEPOSIT
                      authorizedCustomerName: TEST CUSTOMER1
                      standardEntryClassCode: CCD
                      receivingAccount:
                        accountNumber: '123456789012'
                      receivingParty:
                        customerIdentificationNumber: 099999999
                        companyName: MERCHANT
                      originatingAccount:
                        accountNumber: '3123456789'
                      originatingParty:
                        customerIdentificationNumber: '1234567'
                        companyName: COMPANY NAME 1
                      settlementAmount: 123.45
                      settlementTransactionId: '23218003015954'
                    metadata:
                      page:
                        pageNumber: 1
                        pageSize: 10
                        totalPages: 3
                        totalRecords: 28
                        lastPage: false
                returned:
                  summary: Returned Transaction
                  value:
                    transactions:
                    - parNumber: '22018007665985'
                      transactionStatus: RETURNED
                      traceNumber: 043000090716192
                      transactionAmount: 50.0
                      collectionDate: '2021-03-07'
                      settlementDate: '2021-03-08'
                      transactionCode: '26'
                      transactionDescription: CUST TRANS
                      authorizedCustomerName: TEST CUSTOMER2
                      standardEntryClassCode: CCD
                      receivingAccount:
                        accountNumber: '987654321098'
                      receivingParty:
                        customerIdentificationNumber: 088888888
                        companyName: VENDOR
                      originatingAccount:
                        accountNumber: '3123456789'
                      originatingParty:
                        customerIdentificationNumber: '1234567'
                        companyName: COMPANY NAME 1
                      returnDate: '2021-03-08'
                      returnReasonCode: R01
                      returnReasonDescription: Insufficient Funds
                      settlementAmount: 50.0
                      settlementTransactionId: '23218003015954'
                    metadata:
                      page:
                        pageNumber: 3
                        pageSize: 10
                        totalPages: 3
                        totalRecords: 28
                        lastPage: true
        '400':
          description: Bad input parameter
          headers:
            X-CorrelationId:
              description: A unique identifier generated for each transaction that remains with the transaction through the chain of API operations.
              schema:
                type: string
          content:
            application/json:
              schema:
                type: object
                properties:
                  metadata:
                    allOf:
                    - $ref: '#/components/schemas/Exception'
              example:
                ErrorMessage: Error received from backend service
                TransactionId: 84293235-5d2c-42ba-afc3-a5d4afc5f88e27097
                X-CorrelationId: 929618f2-6163-bf73-51b0-6c54a8533c74
                TransactionTime: '2021-06-11T16:31:34.041Z'
                Api-Url: https://partner-api-qv.key.com/accounts/transactions/v1/ach/settled/22018007665985
                ServiceError:
                  metadata:
                    messages:
                    - code: AI-Settled-400-pageSize-115
                      message: pageSize must be less than or equal to 1000
        '404':
          description: No ACH transaction was found with the provided settlementTransactionId
          headers:
            X-CorrelationId:
              description: A unique identifier generated for each transaction that remains with the transaction through the chain of API operations.
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Exception'
              example:
                ErrorMessage: Error received from backend service
                TransactionId: 84293235-5d2c-42ba-afc3-a5d4afc5f88e27097
                X-CorrelationId: 929618f2-6163-bf73-51b0-6c54a8533c74
                TransactionTime: '2021-06-11T16:31:34.041Z'
                Api-Url: https://partner-api-qv.key.com/accounts/transactions/v1/ach/settled/22018007665985
                ServiceError:
                  metadata:
                    messages:
                    - code: AI-Settled-404-no-records-100
                      message: Record Not Found
        '500':
          description: Unexpected server error
          headers:
            X-CorrelationId:
              schema:
                type: string
              description: A unique identifier generated for each transaction that remains with the transaction through the chain of API operations.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Exception'
              example:
                ErrorMessage: Error received from backend
                TransactionId: 84293235-5d2c-42ba-afc3-a5d4afc5f88e27097
                TransactionTime: '2021-06-11T16:31:34.041Z'
                X-CorrelationId: 929618f2-6163-bf73-51b0-6c54a8533c74
                Api-Url: https://partner-api-qv.key.com/accounts/transactions/v1/ach/settled/22018007665985
                ServiceError:
                  metadata:
                    messages:
                    - code: 500-InternalServerError
                      message: An unexpected error occurred.  Please try again later or contact support if the problem persists.
components:
  schemas:
    AchSettledTransaction:
      type: object
      description: Results from ACH transaction where the status is "SETTLED" or "RETURNED".
      properties:
        parNumber:
          type: string
          description: The unique parNumber assigned to the transaction by the ACH processor.
          examples:
          - '22018007665985'
        transactionStatus:
          type: string
          description: 'The status of the ACH transaction. Valid values: RETURNED, SETTLED'
          examples:
          - RETURNED
          - SETTLED
        traceNumber:
          type: string
          description: The trace number provided in the detail record of the originators Nacha file.
          examples:
          - 043000090716192
        transactionAmount:
          type: number
          format: double
          description: The dollar amount of the transaction.
          examples:
          - 50.0
        collectionDate:
          type: string
          format: date
          description: 'The date the transaction collection occurred. Format: YYYY-MM-DD'
          examples:
          - '2024-02-11'
        settlementDate:
          type: string
          format: date
          description: 'The date the transaction settlement occurred. Format: YYYY-MM-DD'
          examples:
          - '2024-02-01'
        transactionCode:
          type: string
          description: Two-digit code identifying the account type at the receiving financial institution.  Defined by Nacha rules to indicate the type of transaction  based on the account.
          examples:
          - '26'
        transactionDescription:
          type: string
          description: Company Entry Description provided by the originator.  Defined by Nacha specifications as a batch level description.
          examples:
          - CUST TRANS
        authorizedCustomerName:
          type: string
          description: Authorized customer name
          examples:
          - TEST CUSTOMER2
        standardEntryClassCode:
          type: string
          description: The three-digit Standard Entry Class code based on Nacha rules.
          examples:
          - CCD
        receivingAccount:
          allOf:
          - $ref: '#/components/schemas/AccountList'
          description: Details about the account receiving the funds.
        receivingParty:
          allOf:
          - $ref: '#/components/schemas/PartyList'
          description: Details about the party receiving the funds.
        originatingAccount:
          allOf:
          - $ref: '#/components/schemas/AccountList'
          description: Details about the originating account.
        originatingParty:
          allOf:
          - $ref: '#/components/schemas/PartyList'
          description: Details about the originating party.
        returnDate:
          type: string
          format: date
          description: 'Date of the returned transaction to the ACH system. Format: YYYY-MM-DD'
          examples:
          - '2024-02-01'
        returnReasonCode:
          type: string
          description: 'The code associated with the reason for returning the ACH transaction. The code is the letter ''R'' for reason followed by a two-digit numeric code. Format: R00'
          examples:
          - R01
        returnReasonDescription:
          type: string
          description: Description as to why the ACH transaction is returned.
          examples:
          - Insufficient Funds
        settlementAmount:
          type: number
          format: double
          description: The dollar amount of the settlement.
          examples:
          - 50.0
        settlementTransactionId:
          type: string
          description: The unique parNumber of the settlement batch tied to the transaction.
          examples:
          - '23218003015954'
    ConnectError:
      type: object
      properties:
        ConnectError:
          type: string
          description: API connectivity error information, if available.
          examples:
          - Request could not be processed on time (GatewayTimeout), please wait a moment and resubmit the request.
    PageMetadata:
      type: object
      description: Data information returned as a message or page information retrieved from the server.
      properties:
        page:
          $ref: '#/components/schemas/Page'
    Message:
      type: object
      description: Informational code and message from the server.
      properties:
        code:
          type: string
          description: Static code assigned by the network or payment system.
          examples:
          - Wire-List-400-toDate
        message:
          type: string
          description: A human-readable message associated with the code.
          examples:
          - toDate format must be YYYY-MM-DD
    AccountList:
      type: object
      description: Contains details about the account like account number.
      properties:
        accountNumber:
          type: string
          description: Bank account number.
          examples:
          - '3123456789'
    AchListTransaction:
      type: object
      description: Results from ACH transaction account search.
      properties:
        parNumber:
          type: string
          description: The unique parNumber assigned to the transaction by the ACH processor.
          examples:
          - '22018007665985'
        transactionStatus:
          type: string
          description: 'The status of the ACH transaction. Valid values: COLLECTED, RETURNED, SETTLED'
          examples:
          - COLLECTED
          - RETURNED
          - SETTLED
        traceNumber:
          type: string
          description: The trace number provided in the detail record of the originators Nacha file.
          examples:
          - 043000090716192
        transactionAmount:
          type: number
          format: double
          description: The dollar amount of the transaction.
          examples:
          - 10.01
        collectionDate:
          type: string
          format: date
          description: 'The date the transaction collection occurred. Format: YYYY-MM-DD'
          examples:
          - '2024-02-11'
        settlementDate:
          type: string
          format: date
          description: 'The date the transaction settlement occurred. Format: YYYY-MM-DD'
          examples:
          - '2024-02-01'
        transactionCode:
          type: string
          description: Two-digit code identifying the account type at the receiving financial institution.  Defined by Nacha rules to indicate the type of transaction  based on the account.
          examples:
          - '22'
        transactionDescription:
          type: string
          description: Company Entry Description provided by the originator.  Defined by Nacha specifications as a batch level description.
          examples:
          - DEPOSIT
        authorizedCustomerName:
          type: string
          description: Authorized customer name
          examples:
          - TEST CUSTOMER1
        standardEntryClassCode:
          type: string
          description: The three-digit Standard Entry Class code based on Nacha rules.
          examples:
          - CCD
        receivingAccount:
          allOf:
          - $ref: '#/components/schemas/AccountList'
          description: Details about the account receiving the funds.
        receivingParty:
          allOf:
          - $ref: '#/components/schemas/PartyList'
          description: Details about the party receiving the funds.
        originatingAccount:
          allOf:
          - $ref: '#/components/schemas/AccountList'
          description: Details about the originating account.
        originatingParty:
          allOf:
          - $ref: '#/components/schemas/PartyList'
          description: Details about the originating party.
        returnDate:
          type: string
          format: date
          description: 'Date of the returned transaction to the ACH system. Format: YYYY-MM-DD'
          examples:
          - '2024-02-01'
        returnReasonCode:
          type: string
          description: 'The code associated with the reason for returning the ACH transaction. The code is the letter ''R'' for reason followed by a two-digit numeric code. Format: R00'
          examples:
          - R02
        returnReasonDescription:
          type: string
          description: Description as to why the ACH transaction is returned.
          examples:
          - Account Closed
        addendaCount:
          type: integer
          description: Count of addenda records.
          examples:
          - 1
        notificationOfChangeAddendaCount:
          type: integer
          description: Count of change notifications records.
          examples:
          - 0
        internation

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# Full source: https://raw.githubusercontent.com/api-evangelist/keycorp/refs/heads/main/openapi/keycorp-ach-transactions-api-openapi.yml