> ## Documentation Index
> Fetch the complete documentation index at: https://docs.paypathiq.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get a hosted payment request

> Requires payment_requests:read. Returns the request's fixed items and current status. The payment link is never returned again after it is issued; status paid appears only after the payment provider's verified confirmation.



## OpenAPI

````yaml /generated/inbound-api-v1.openapi.json get /v1/clients/{clientCode}/payment-requests/{externalPaymentRequestId}
openapi: 3.1.0
info:
  description: >-
    Send Customers, Receivables, and Payment observations and related financial
    evidence from your source system to PayPathIQ, one record at a time or as
    bounded asynchronous batches, and read back changes. Every operation listed
    here is implemented; capabilities that are not implemented are not listed.
    Start in sandbox with a sandbox key and synthetic data. Every error type
    links to a page at https://docs.paypathiq.com/problems/{code}.
  title: PayPathIQ Inbound Receivables API
  version: 1.0.0
servers:
  - description: Sandbox
    url: https://api.sandbox.paypathiq.com
  - description: Production
    url: https://api.paypathiq.com
security:
  - BearerAuth: []
tags:
  - description: >-
      PayPathIQ-owned delivery of receipts to the accounting Source, with
      acknowledgement kept separate.
    name: Receipt delivery
  - description: People and businesses that owe one Client.
    name: Customers
  - description: Independently recoverable Receivables.
    name: Receivables
  - description: Immutable evidence of external payments, refunds, and reversals.
    name: Payment observations
  - description: >-
      Ordered Source balance snapshots for transaction and snapshot-only
      connections.
    name: Balance snapshots
  - description: >-
      Bounded asynchronous ingestion of up to 100 records with exact per-record
      outcomes.
    name: Batches
  - description: >-
      Verified complete-book declarations that flag and hold Receivables missing
      from the book.
    name: Complete books
  - description: Durable, resumable record of committed Customer and Receivable changes.
    name: Changes
  - description: >-
      Optional signed, minimal notifications that a Customer or Receivable
      changed.
    name: Webhooks
  - description: >-
      Fixed-amount hosted payment pages through the Client's own payment
      provider merchant.
    name: Payment requests
  - description: >-
      Partner-owned delivery of confirmed Payments to accounting, kept separate
      from accounting acceptance.
    name: Payment delivery
  - description: Explicit Receivable pause and closure commands.
    name: Receivable lifecycle
  - description: >-
      Explicit, revisioned instructions that let PayPathIQ begin recovery for a
      Receivable.
    name: Recovery instructions
  - description: >-
      Permissioned working collection position, holds, commitments and action
      outcomes, separate from the Source representation.
    name: Collection summaries
  - description: Whether accepted source evidence is recent enough to act on.
    name: Source freshness
  - description: This machine-readable API contract.
    name: Specification
paths:
  /v1/clients/{clientCode}/payment-requests/{externalPaymentRequestId}:
    get:
      tags:
        - Payment requests
      summary: Get a hosted payment request
      description: >-
        Requires payment_requests:read. Returns the request's fixed items and
        current status. The payment link is never returned again after it is
        issued; status paid appears only after the payment provider's verified
        confirmation.
      operationId: getPaymentRequest
      parameters:
        - description: >-
            Stable non-sensitive Client code authorized by the Integration
            grant.
          in: path
          name: clientCode
          required: true
          schema:
            $ref: '#/components/schemas/ExternalResourceId'
        - description: >-
            Caller-assigned, opaque identifier of this hosted payment request.
            Reusing it with the identical body is a safe retry; reusing it with
            a different body conflicts.
          in: path
          name: externalPaymentRequestId
          required: true
          schema:
            $ref: '#/components/schemas/ExternalResourceId'
      responses:
        '200':
          content:
            application/json:
              example:
                externalCustomerId: CUS_EXAMPLE
                items:
                  - amount:
                      amount: '125.50'
                      currency: EUR
                    externalReceivableId: REC_EXAMPLE
                createdAt: '2026-10-15T12:00:00Z'
                expiresAt: '2026-10-15T13:00:00Z'
                externalPaymentRequestId: PAYREQ_EXAMPLE
                revision: 1
                paymentUrl: null
                status: open
                totalAmount:
                  amount: '125.50'
                  currency: EUR
              schema:
                $ref: '#/components/schemas/PaymentRequestResponse'
          description: Current payment request.
          headers:
            Cache-Control:
              description: Integration-facing responses are never cached.
              schema:
                const: no-store
                type: string
            PayPathIQ-Api-Version:
              description: >-
                Public API contract version; industry profile is fixed by the
                current Integration grant.
              schema:
                type: string
                const: v1
            X-Request-Id:
              description: PayPathIQ-generated support correlation identifier.
              schema:
                format: uuid
                type: string
        '401':
          content:
            application/problem+json:
              examples:
                invalid_api_key:
                  value:
                    detail: >-
                      API key is invalid, inactive, revoked, or for another
                      environment.
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 401
                    title: >-
                      API key is invalid, inactive, revoked, or for another
                      environment.
                    type: https://docs.paypathiq.com/problems/invalid_api_key
              schema:
                $ref: '#/components/schemas/Problem'
          description: API key is invalid, inactive, revoked, or for another environment.
          headers:
            Cache-Control:
              description: Integration-facing responses are never cached.
              schema:
                const: no-store
                type: string
            PayPathIQ-Api-Version:
              description: >-
                Public API contract version; industry profile is fixed by the
                current Integration grant.
              schema:
                type: string
                const: v1
            X-Request-Id:
              description: PayPathIQ-generated support correlation identifier.
              schema:
                format: uuid
                type: string
        '403':
          content:
            application/problem+json:
              examples:
                client_scope_denied:
                  value:
                    detail: >-
                      The Client code is unknown, the grant lacks the required
                      scope, or the calling address is outside the grant's IP
                      allowlist.
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 403
                    title: >-
                      The Client code is unknown, the grant lacks the required
                      scope, or the calling address is outside the grant's IP
                      allowlist.
                    type: https://docs.paypathiq.com/problems/client_scope_denied
              schema:
                $ref: '#/components/schemas/Problem'
          description: >-
            The Client code is unknown, the grant lacks the required scope, or
            the calling address is outside the grant's IP allowlist.
          headers:
            Cache-Control:
              description: Integration-facing responses are never cached.
              schema:
                const: no-store
                type: string
            PayPathIQ-Api-Version:
              description: >-
                Public API contract version; industry profile is fixed by the
                current Integration grant.
              schema:
                type: string
                const: v1
            X-Request-Id:
              description: PayPathIQ-generated support correlation identifier.
              schema:
                format: uuid
                type: string
        '404':
          content:
            application/problem+json:
              examples:
                payment_request_not_found:
                  value:
                    detail: Payment request was not found within the authorized scope.
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 404
                    title: Payment request was not found within the authorized scope.
                    type: >-
                      https://docs.paypathiq.com/problems/payment_request_not_found
              schema:
                $ref: '#/components/schemas/Problem'
          description: Payment request was not found within the authorized scope.
          headers:
            Cache-Control:
              description: Integration-facing responses are never cached.
              schema:
                const: no-store
                type: string
            PayPathIQ-Api-Version:
              description: >-
                Public API contract version; industry profile is fixed by the
                current Integration grant.
              schema:
                type: string
                const: v1
            X-Request-Id:
              description: PayPathIQ-generated support correlation identifier.
              schema:
                format: uuid
                type: string
        '422':
          content:
            application/problem+json:
              examples:
                validation_error:
                  value:
                    detail: >-
                      Route parameters or the representation are invalid. Route
                      parameters are checked before authentication. Field errors
                      carry a code such as invalid_format, unrecognized_keys,
                      custom, sensitive_external_id, or
                      sensitive_source_reference.
                    errors:
                      - code: invalid_format
                        detail: Invalid ISO date
                        pointer: /dueDate
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 422
                    title: >-
                      Route parameters or the representation are invalid. Route
                      parameters are checked before authentication. Field errors
                      carry a code such as invalid_format, unrecognized_keys,
                      custom, sensitive_external_id, or
                      sensitive_source_reference.
                    type: https://docs.paypathiq.com/problems/validation_error
              schema:
                $ref: '#/components/schemas/Problem'
          description: >-
            Route parameters or the representation are invalid. Route parameters
            are checked before authentication. Field errors carry a code such as
            invalid_format, unrecognized_keys, custom, sensitive_external_id, or
            sensitive_source_reference.
          headers:
            Cache-Control:
              description: Integration-facing responses are never cached.
              schema:
                const: no-store
                type: string
            PayPathIQ-Api-Version:
              description: >-
                Public API contract version; industry profile is fixed by the
                current Integration grant.
              schema:
                type: string
                const: v1
            X-Request-Id:
              description: PayPathIQ-generated support correlation identifier.
              schema:
                format: uuid
                type: string
        '429':
          content:
            application/problem+json:
              examples:
                rate_limit_exceeded:
                  value:
                    detail: >-
                      Each API key may send 60 requests per minute and run 1
                      request at a time. In sandbox, the same limits also apply
                      per Client across all of its keys. Every request,
                      including GET, counts.
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 429
                    title: >-
                      Each API key may send 60 requests per minute and run 1
                      request at a time. In sandbox, the same limits also apply
                      per Client across all of its keys. Every request,
                      including GET, counts.
                    type: https://docs.paypathiq.com/problems/rate_limit_exceeded
              schema:
                $ref: '#/components/schemas/Problem'
          description: >-
            Each API key may send 60 requests per minute and run 1 request at a
            time. In sandbox, the same limits also apply per Client across all
            of its keys. Every request, including GET, counts.
          headers:
            Cache-Control:
              description: Integration-facing responses are never cached.
              schema:
                const: no-store
                type: string
            PayPathIQ-Api-Version:
              description: >-
                Public API contract version; industry profile is fixed by the
                current Integration grant.
              schema:
                type: string
                const: v1
            X-Request-Id:
              description: PayPathIQ-generated support correlation identifier.
              schema:
                format: uuid
                type: string
            Retry-After:
              description: >-
                Seconds until this unchanged request may be retried: 1 after a
                concurrency rejection, 60 after the per-minute limit.
              schema:
                minimum: 1
                type: integer
        '503':
          content:
            application/problem+json:
              examples:
                projection_unavailable:
                  value:
                    detail: >-
                      An unexpected error prevented a safe commit, and nothing
                      was saved. Retry with backoff.
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 503
                    title: >-
                      An unexpected error prevented a safe commit, and nothing
                      was saved. Retry with backoff.
                    type: https://docs.paypathiq.com/problems/projection_unavailable
              schema:
                $ref: '#/components/schemas/Problem'
          description: >-
            An unexpected error prevented a safe commit, and nothing was saved.
            Retry with backoff.
          headers:
            Cache-Control:
              description: Integration-facing responses are never cached.
              schema:
                const: no-store
                type: string
            PayPathIQ-Api-Version:
              description: >-
                Public API contract version; industry profile is fixed by the
                current Integration grant.
              schema:
                type: string
                const: v1
            X-Request-Id:
              description: PayPathIQ-generated support correlation identifier.
              schema:
                format: uuid
                type: string
      security:
        - BearerAuth: []
components:
  schemas:
    ExternalResourceId:
      type: string
      pattern: ^[A-Za-z0-9_-]{1,128}$
    PaymentRequestResponse:
      type: object
      properties:
        createdAt:
          type: string
          format: date-time
          pattern: >-
            ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$
        expiresAt:
          anyOf:
            - type: string
              format: date-time
              pattern: >-
                ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$
            - type: 'null'
          description: >-
            When the most recent payment link stops working. Null once the
            request is no longer open.
        externalCustomerId:
          type: string
          pattern: ^[A-Za-z0-9_-]{1,128}$
          description: >-
            Caller-assigned, opaque identifier for this Customer's source-system
            record. It is not a PayPathIQ ID, member number, loan or account
            number, or contact detail. Keep it stable when Customer details
            change.
        externalPaymentRequestId:
          type: string
          pattern: ^[A-Za-z0-9_-]{1,128}$
        items:
          type: array
          items:
            type: object
            properties:
              amount:
                type: object
                properties:
                  amount:
                    type: string
                    pattern: ^(0|[1-9]\d{0,13})\.\d{2}$
                  currency:
                    type: string
                    const: EUR
                required:
                  - amount
                  - currency
                additionalProperties: false
                description: >-
                  The exact current working balance of this Receivable. A
                  request cannot pay part of a Receivable, more than it, or a
                  different Receivable.
              externalReceivableId:
                type: string
                pattern: ^[A-Za-z0-9_-]{1,128}$
            required:
              - amount
              - externalReceivableId
            additionalProperties: false
        paymentUrl:
          anyOf:
            - type: string
              format: uri
            - type: 'null'
          description: >-
            Hosted payment page on the Client's verified payment domain. It is a
            secret: send it only to the paying Customer. Returned by create and
            by an exact retry while the request is open; null on reads.
        revision:
          type: integer
          minimum: 1
          maximum: 9007199254740991
          description: >-
            Increases each time the request's status changes. It matches the
            revision in change-feed events.
        status:
          type: string
          enum:
            - open
            - payment_in_progress
            - under_review
            - paid
            - expired
            - replaced
            - cancelled
          description: >-
            paid is set only after the payment provider's verified confirmation.
            Returning from the hosted page never changes this status.
        totalAmount:
          type: object
          properties:
            amount:
              type: string
              pattern: ^(0|[1-9]\d{0,13})\.\d{2}$
            currency:
              type: string
              const: EUR
          required:
            - amount
            - currency
          additionalProperties: false
      required:
        - createdAt
        - expiresAt
        - externalCustomerId
        - externalPaymentRequestId
        - items
        - paymentUrl
        - revision
        - status
        - totalAmount
      additionalProperties: false
    Problem:
      type: object
      properties:
        detail:
          type: string
        errors:
          maxItems: 20
          type: array
          items:
            type: object
            properties:
              code:
                type: string
              detail:
                type: string
              pointer:
                type: string
            required:
              - code
              - detail
              - pointer
            additionalProperties: false
        requestId:
          type: string
          format: uuid
          pattern: >-
            ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
        status:
          type: integer
          minimum: 400
          maximum: 599
        title:
          type: string
        type:
          type: string
          format: uri
      required:
        - detail
        - requestId
        - status
        - title
        - type
      additionalProperties: false
  securitySchemes:
    BearerAuth:
      bearerFormat: ppiq_test_<keyId>_<secret> or ppiq_live_<keyId>_<secret>
      description: >-
        Integration-owned environment-specific API key. Never paste a production
        key into documentation tools.
      scheme: bearer
      type: http

````

This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.