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

# Get Delivery

> Retrieve a single webhook delivery attempt by ID.

Returns one delivery record, including its current status, attempt count, and the last error code and message when an attempt failed.

The `delivery_id` is the value sent in the `X-HydraDB-Delivery-ID` header of the delivery itself, so you can look up any request your endpoint received. See [Webhooks](/essentials/v2/webhooks).


## OpenAPI

````yaml api-reference/v2/openapi.json GET /webhooks/indexing/deliveries/{delivery_id}
openapi: 3.1.0
info:
  contact:
    email: support@hydradb.com
    name: HydraDB Support
  description: >-
    HydraDB Application API — knowledge ingestion, search, and memory
    management.
  license:
    name: Proprietary
  title: HydraDB Application API
  version: 0.1.0
servers:
  - description: Production server
    url: https://api.hydradb.com
security: []
externalDocs:
  description: ''
  url: ''
paths:
  /webhooks/indexing/deliveries/{delivery_id}:
    get:
      tags:
        - webhooks
      summary: Get a single webhook delivery attempt
      description: Get a single webhook delivery attempt by ID.
      parameters:
        - description: Delivery ID
          in: path
          name: delivery_id
          required: true
          schema:
            example: dlv_9f8e7d6c
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/handler.Envelope-webhooks_DeliveryItem'
          description: OK
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/handler.ErrorResponse'
          description: Not Found
      security:
        - BearerAuth: []
components:
  schemas:
    handler.Envelope-webhooks_DeliveryItem:
      properties:
        data:
          $ref: '#/components/schemas/webhooks.DeliveryItem'
          example:
            attempts: 1
            created_at: '2026-07-02T10:00:00Z'
            delivery_id: dlv_9f8e7d6c
            doc_id: HydraDoc1234
            error_code: ''
            error_message: ''
            event_type: indexing.status_changed
            indexing_status: completed
            status: completed
            updated_at: '2026-07-02T10:00:05Z'
        error:
          $ref: '#/components/schemas/handler.apiError'
          description: Error message, empty string on success.
          example:
            code: DATABASE_NOT_FOUND
            message: Database not found
        meta:
          $ref: '#/components/schemas/handler.responseMeta'
          example:
            collection: team_docs
            database: acme_corp
            latency_ms: 12.3
            request_id: 9d13aef4-02f4-4e73-8c62-4c2601d04f9d
            source_type: file
            sub_tenant_id: sub_tenant_4567
            tenant_id: tenant_1234
        success:
          description: Whether the request succeeded.
          example: true
          type: boolean
      type: object
    handler.ErrorResponse:
      properties:
        data: {}
        detail:
          $ref: '#/components/schemas/handler.ErrorDetail'
          description: Structured error detail with code, message, and deprecation hints.
          example:
            deprecated: true
            deprecated_field: tenant_id
            error_code: VALIDATION_ERROR
            message: Request validation failed
            preferred_field: database
            success: true
        error:
          $ref: '#/components/schemas/handler.apiError'
          description: Error message, empty string on success.
          example:
            code: DATABASE_NOT_FOUND
            message: Database not found
        meta:
          $ref: '#/components/schemas/handler.ErrorMeta'
          example:
            latency_ms: 12.3
            request_id: 9d13aef4-02f4-4e73-8c62-4c2601d04f9d
        success:
          description: Whether the request succeeded.
          example: true
          type: boolean
      type: object
    webhooks.DeliveryItem:
      properties:
        attempts:
          description: Number of delivery attempts made.
          example: 1
          type: integer
        created_at:
          description: RFC3339 timestamp when this item was created.
          example: '2026-07-02T10:00:00Z'
          type: string
        delivery_id:
          description: Unique identifier for this webhook delivery attempt.
          example: dlv_9f8e7d6c
          type: string
        doc_id:
          description: Source ID that triggered this delivery.
          example: HydraDoc1234
          type: string
        error_code:
          description: Machine-readable error code, empty string on success.
          example: ''
          type: string
        error_message:
          description: Human-readable error description, empty string on success.
          example: ''
          type: string
        event_type:
          description: Event that triggered this delivery (e.g. `indexing.status_changed`).
          example: indexing.status_changed
          type: string
        indexing_status:
          description: >-
            Current processing state: `queued`, `processing`, `completed`, or
            `failed`.
          example: completed
          type: string
        status:
          description: >-
            Current delivery status (e.g. `completed`, `failed`,
            `permanently_failed`).
          example: completed
          type: string
        updated_at:
          description: RFC3339 timestamp of the most recent update.
          example: '2026-07-02T10:00:05Z'
          type: string
        webhook_url:
          description: >-
            Endpoint this delivery was aimed at. Attributes history to the
            endpoint

            that was registered when the delivery was created, rather than to
            whatever

            is registered now, so a changed URL does not inherit the old one's
            failures.
          type: string
      type: object
    handler.apiError:
      properties:
        code:
          description: Machine-readable error code (e.g. `DATABASE_NOT_FOUND`).
          example: DATABASE_NOT_FOUND
          type: string
        message:
          description: Human-readable description of the error.
          example: Database not found
          type: string
      type: object
    handler.responseMeta:
      properties:
        api_version:
          description: >-
            APIVersion echoes the version of the API that served the request
            (PRO-1209),

            sourced from reqmeta.APIVersion — the same value carried by OpenAPI

            info.version and /health — so a client always knows which API
            version

            produced a response. Always present (no omitempty).
          type: string
        collection:
          description: >-
            Collection scope. Defaults to the default collection when omitted.
            Formerly `sub_tenant_id`; the `sub_tenant_id` alias is still
            accepted (deprecated).
          example: team_docs
          type: string
        database:
          description: >-
            Owning database. Formerly `tenant_id`; the `tenant_id` alias is
            still accepted (deprecated).
          example: acme_corp
          type: string
        deprecation:
          description: >-
            Deprecation lists any migration nudges that apply to this request —
            the

            caller used a legacy /tenants route, a legacy
            tenant_id/sub_tenant_id field,

            or the deprecated sub_tenant_ids selector. It is a non-breaking
            signal (the

            status code is unchanged); omitempty keeps it absent for
            fully-migrated

            requests. A list so independent deprecations coexist without
            clobbering.
          items:
            $ref: '#/components/schemas/handler.deprecationNotice'
          type: array
          uniqueItems: false
        latency_ms:
          description: Server-side processing time in milliseconds.
          example: 12.3
          type: number
        request_id:
          description: Unique identifier for this request, useful for support and tracing.
          example: 9d13aef4-02f4-4e73-8c62-4c2601d04f9d
          type: string
        source_type:
          description: Type of the parent source (e.g. `file`, `slack`, `notion`).
          example: file
          type: string
        sub_tenant_id:
          deprecated: true
          example: sub_tenant_4567
          type: string
          x-deprecated: 'true'
        tenant_id:
          deprecated: true
          example: tenant_1234
          type: string
          x-deprecated: 'true'
      type: object
    handler.ErrorDetail:
      properties:
        deprecated:
          description: Whether this response concerns a deprecated field or route.
          example: true
          type: boolean
        deprecated_field:
          description: The deprecated field name.
          example: tenant_id
          type: string
        error_code:
          description: Machine-readable error classification code.
          example: VALIDATION_ERROR
          type: string
        message:
          description: Human-readable description of the error.
          example: Request validation failed
          type: string
        preferred_field:
          description: The canonical replacement for the deprecated field.
          example: database
          type: string
        success:
          description: Always false for error responses.
          example: true
          type: boolean
      type: object
    handler.ErrorMeta:
      properties:
        api_version:
          type: string
        latency_ms:
          example: 12.3
          type: number
        request_id:
          description: Unique identifier for this request, useful for support and tracing.
          example: 9d13aef4-02f4-4e73-8c62-4c2601d04f9d
          type: string
      type: object
    handler.deprecationNotice:
      properties:
        deprecated:
          description: Whether this response concerns a deprecated field or route.
          example: true
          type: boolean
        deprecated_field:
          description: The deprecated field name.
          example: tenant_id
          type: string
        deprecated_since:
          description: API version when the field was deprecated.
          example: 2.0.1
          type: string
        message:
          description: Migration guidance message.
          example: tenant_id is deprecated; use database instead.
          type: string
        preferred_field:
          description: The canonical replacement for the deprecated field.
          example: database
          type: string
      type: object
  securitySchemes:
    BearerAuth:
      bearerFormat: API key
      description: 'API key sent as a Bearer token: "Bearer prefix.secret"'
      scheme: bearer
      type: http

````