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

# List the distinct years that have donation activity

> Returns the descending list of tax period years for which the caller's client has donation activity, using its jurisdiction profile and organization timezone. Fiscal periods are labelled by the year they end in. Backs the tax-summary year picker. Requires permission: `donors_view` (also satisfied by `donors_manage`).



## OpenAPI

````yaml get /admin/donors/donation_years
openapi: 3.0.0
info:
  title: Gratona API
  description: >-
    REST API for the Gratona fundraising platform, including donor, donation,
    sponsorship, program, event, and integration workflows. Endpoints are
    organized by tag. Most endpoints require either a Passport bearer token or
    an issued API key — see the Security Schemes section.
  contact:
    name: Gratona Engineering
    url: https://gratona.com
    email: devs@gratona.com
  version: 1.0.0
servers:
  - url: https://api.gratona.com/v1
    description: Server Version 1.0.0
security: []
tags:
  - name: Auth
    description: >-
      Login, signup, logout, password reset, and email verification for admin
      users and donors.
  - name: Donors
    description: >-
      Donor records: CRUD, profile fields, household linkage, search, filters,
      merge, and duplicate detection.
  - name: Donations
    description: >-
      Individual donation records, recurring commitments, soft credits, refunds,
      designations, and exports.
  - name: Sponsorships
    description: >-
      Donor-to-entity sponsorship relationships, lifecycle transitions, and
      sponsorship-specific filters.
  - name: Entities
    description: >-
      Recipient records (children, families, projects, animals, etc.), their
      status, and entity-level fields.
  - name: Programs
    description: >-
      Program / campaign configuration: hierarchy, settings, and program-level
      metadata.
  - name: Forms
    description: >-
      Custom form builder (HysForm), form fields, standardized donor fields, and
      field migrations.
  - name: Trips
    description: >-
      Mission-trip management: trips, participants, budgets, tasks,
      e-signatures, fundraising milestones, and background checks.
  - name: Communications
    description: >-
      Email templates, SMS, newsletters, donor email manager, and per-donor
      notes.
  - name: Payments
    description: >-
      Payment-gateway management (Stripe, PayPal, Flutterwave, QuickBooks).
      Excludes inbound webhooks — see the Webhooks tag.
  - name: Reports
    description: Dashboards, analytics, scheduled reports, and exports.
  - name: Admin
    description: >-
      Client-account administration: users, groups/permissions, settings,
      integrations, and account lifecycle.
  - name: Donor Portal
    description: >-
      Endpoints consumed by the donor-facing portal (donor login, dashboard,
      donation history, messages).
  - name: Recipient Portal
    description: Endpoints consumed by the recipient-facing portal.
  - name: Public
    description: >-
      Unauthenticated public endpoints: donor signup, public trip pages,
      peer-to-peer campaigns, public checkout.
  - name: Webhooks
    description: >-
      Inbound webhooks from third parties (Stripe, PayPal, Flutterwave, Checkr,
      DropboxSign). Annotated minimally for reference; payload shapes are owned
      by the upstream provider.
  - name: Client
    description: Client
  - name: Email Settings
    description: Email Settings
  - name: Admin Dashboard
    description: Admin Dashboard
  - name: Historical Archived Updates
    description: Historical Archived Updates
  - name: Team & access
    description: Team & access
  - name: Files
    description: Files
  - name: Wrapped
    description: Wrapped
  - name: Donor SignUp
    description: Donor SignUp
  - name: Frontend
    description: Frontend
  - name: User
    description: User
paths:
  /admin/donors/donation_years:
    get:
      tags:
        - Donations
      summary: List the distinct years that have donation activity
      description: >-
        Returns the descending list of tax period years for which the caller's
        client has donation activity, using its jurisdiction profile and
        organization timezone. Fiscal periods are labelled by the year they end
        in. Backs the tax-summary year picker. Requires permission:
        `donors_view` (also satisfied by `donors_manage`).
      operationId: b54f0dc1db07aeffb6c7be94618d772a
      responses:
        '200':
          description: Distinct donation years.
          content:
            application/json:
              schema:
                properties:
                  years:
                    type: array
                    items:
                      type: integer
                    example:
                      - 2025
                      - 2024
                      - 2023
                  status:
                    type: string
                    example: success
                type: object
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UnauthorizedResponse'
      security:
        - bearerAuth: []
        - apiKeyAuth: []
components:
  schemas:
    UnauthorizedResponse:
      title: UnauthorizedResponse
      description: >-
        Returned with HTTP 401 when the request lacks a valid Passport bearer
        token, a valid `X-HYS-API-Key`, or a valid session. The body is the
        simple `{message, status}` envelope emitted by `AuthenticateApiOrKey`.
      required:
        - message
        - status
      properties:
        message:
          description: >-
            Always the literal string `Unauthorized` from the `auth.api_or_key`
            middleware. Login endpoints return `Invalid Credentials` instead.
          type: string
          example: Unauthorized
        status:
          type: string
          example: error
      type: object
  securitySchemes:
    bearerAuth:
      type: http
      description: Passport bearer token authentication for legacy admin sessions.
      scheme: bearer
      bearerFormat: JWT
    apiKeyAuth:
      type: apiKey
      description: Gratona API key sent with the compatibility header X-HYS-API-Key.
      name: X-HYS-API-Key
      in: header

````

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