> ## 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.

# Rotate the webhook signing secret

> Requires webhooks:manage. Issues a new signing secret, returned once. For 24 hours each notification carries signatures for both the new and the previous secret, so you can deploy the new secret before the old one stops being signed.



## OpenAPI

````yaml /generated/inbound-api-v1.openapi.json post /v1/clients/{clientCode}/webhook-endpoint/rotate-secret
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}/webhook-endpoint/rotate-secret:
    post:
      tags:
        - Webhooks
      summary: Rotate the webhook signing secret
      description: >-
        Requires webhooks:manage. Issues a new signing secret, returned once.
        For 24 hours each notification carries signatures for both the new and
        the previous secret, so you can deploy the new secret before the old one
        stops being signed.
      operationId: rotateWebhookSecret
      parameters:
        - description: >-
            Stable non-sensitive Client code authorized by the Integration
            grant.
          in: path
          name: clientCode
          required: true
          schema:
            $ref: '#/components/schemas/ExternalResourceId'
      requestBody:
        description: One uncompressed resource representation, limited to 256 KiB.
        content:
          application/json:
            example: {}
            schema:
              $ref: '#/components/schemas/RotateWebhookSecretCommand'
        required: true
      responses:
        '200':
          content:
            application/json:
              example:
                disabledReason: null
                secretVersion: 2
                signingSecret: whsec_example_issued_once
                status: active
                url: https://hooks.example.com/paypathiq
              schema:
                $ref: '#/components/schemas/WebhookEndpointResponse'
          description: The new signing secret, shown once.
          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
        '400':
          content:
            application/problem+json:
              examples:
                malformed_json:
                  value:
                    detail: Request body is not valid JSON.
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 400
                    title: Request body is not valid JSON.
                    type: https://docs.paypathiq.com/problems/malformed_json
              schema:
                $ref: '#/components/schemas/Problem'
          description: Request body is not valid JSON.
          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:
                webhook_endpoint_not_found:
                  value:
                    detail: No webhook endpoint is configured for this Client.
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 404
                    title: No webhook endpoint is configured for this Client.
                    type: >-
                      https://docs.paypathiq.com/problems/webhook_endpoint_not_found
              schema:
                $ref: '#/components/schemas/Problem'
          description: No webhook endpoint is configured for this Client.
          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
        '413':
          content:
            application/problem+json:
              examples:
                request_too_large:
                  value:
                    detail: Request body exceeds the 256 KiB resource limit.
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 413
                    title: Request body exceeds the 256 KiB resource limit.
                    type: https://docs.paypathiq.com/problems/request_too_large
              schema:
                $ref: '#/components/schemas/Problem'
          description: Request body exceeds the 256 KiB resource limit.
          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
        '415':
          content:
            application/problem+json:
              examples:
                unsupported_media_type:
                  value:
                    detail: >-
                      Media type or content encoding is unsupported. Send
                      uncompressed application/json for PUT and POST, and
                      application/merge-patch+json for PATCH.
                    requestId: 29400000-0000-4000-8000-000000000001
                    status: 415
                    title: >-
                      Media type or content encoding is unsupported. Send
                      uncompressed application/json for PUT and POST, and
                      application/merge-patch+json for PATCH.
                    type: https://docs.paypathiq.com/problems/unsupported_media_type
              schema:
                $ref: '#/components/schemas/Problem'
          description: >-
            Media type or content encoding is unsupported. Send uncompressed
            application/json for PUT and POST, and application/merge-patch+json
            for PATCH.
          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:
                $ref: '#/components/schemas/Problem'
          description: >-
            An unexpected error prevented a safe commit, and nothing was saved.
            Retry with backoff.
          headers:
            Cache-Control:
              description: Integration-facing responses are never cached.
              schema:
                const: no-store
                type: string
            PayPathIQ-Api-Version:
              description: >-
                Public API contract version; industry profile is fixed by the
                current Integration grant.
              schema:
                type: string
                const: v1
            X-Request-Id:
              description: PayPathIQ-generated support correlation identifier.
              schema:
                format: uuid
                type: string
      security:
        - BearerAuth: []
components:
  schemas:
    ExternalResourceId:
      type: string
      pattern: ^[A-Za-z0-9_-]{1,128}$
    RotateWebhookSecretCommand:
      type: object
      properties: {}
      additionalProperties: false
    WebhookEndpointResponse:
      type: object
      properties:
        disabledReason:
          anyOf:
            - type: string
              enum:
                - client_disabled
                - destination_unsafe
                - grant_revoked
            - type: 'null'
          description: >-
            Why delivery stopped. Null while the endpoint is active. Configure
            the endpoint again after fixing the cause.
        secretVersion:
          type: integer
          minimum: 1
          maximum: 9007199254740991
          description: Increases each time the signing secret is rotated.
        signingSecret:
          description: >-
            Signing secret. Returned only when the endpoint is first configured
            or the secret is rotated; store it immediately.
          type: string
        status:
          type: string
          enum:
            - active
            - disabled
        url:
          type: string
      required:
        - disabledReason
        - secretVersion
        - status
        - url
      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

````

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