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

# List end users

> Page through the end-user records in your organization with cursor pagination and filters.

export const img = {
  activity: {
    activityTimeline: "/docs/guides/activity/images/activity-timeline.png",
    capturedVariablesPanel: "/docs/guides/activity/images/captured-variables-panel.png",
    dataViewCards: "/docs/guides/activity/images/data-view-cards.png",
    exportDataDialog: "/docs/guides/activity/images/export-data-dialog.png",
    tasksPanelExportReady: "/docs/guides/activity/images/tasks-panel-export-ready.png"
  },
  analytics: {
    analyticsOverview: "/docs/guides/analytics/images/analytics-overview.png",
    exploreGallery: "/docs/guides/analytics/images/explore-gallery.png",
    exploreTab: "/docs/guides/analytics/images/explore-tab.png",
    goalForm: "/docs/guides/analytics/images/goal-form.png",
    goalsTab: "/docs/guides/analytics/images/goals-tab.png",
    improveDiagnostics: "/docs/guides/analytics/images/improve-diagnostics.png",
    improveTab: "/docs/guides/analytics/images/improve-tab.png",
    teamTab: "/docs/guides/analytics/images/team-tab.png"
  },
  billing: {
    billingOverview: "/docs/guides/billing/images/billing-overview.png",
    buyConversationsDialog: "/docs/guides/billing/images/buy-conversations-dialog.png",
    buySeatsDialog: "/docs/guides/billing/images/buy-seats-dialog.png",
    livechatSeatsTab: "/docs/guides/billing/images/livechat-seats-tab.png",
    organizationDeletionLifecycle: "/docs/guides/billing/images/organization-deletion-lifecycle.svg",
    organizationSwitcher: "/docs/guides/billing/images/organization-switcher.png",
    rolesAndAccessMatrix: "/docs/guides/billing/images/roles-and-access-matrix.png"
  },
  building: {
    agentBehaviorGuardrails: "/docs/guides/building/images/agent-behavior-guardrails.png",
    agentCardMenu: "/docs/guides/building/images/agent-card-menu.png",
    agentConfigure: "/docs/guides/building/images/agent-configure.png",
    agentExitRoutesDialog: "/docs/guides/building/images/agent-exit-routes-dialog.png",
    agentLibrary: "/docs/guides/building/images/agent-library.png",
    agentModelParameters: "/docs/guides/building/images/agent-model-parameters.png",
    aiAgentGambitLoop: "/docs/guides/building/images/ai-agent-gambit-loop.svg",
    builderBasics: "/docs/guides/building/images/builder-basics.png",
    builderConnectHandlePanel: "/docs/guides/building/images/builder-connect-handle-panel.png",
    builtInToolsDialog: "/docs/guides/building/images/built-in-tools-dialog.png",
    configureDebugTab: "/docs/guides/building/images/configure-debug-tab.png",
    configureLanguage: "/docs/guides/building/images/configure-language.png",
    configureNotifications: "/docs/guides/building/images/configure-notifications.png",
    createAgentDialog: "/docs/guides/building/images/create-agent-dialog.png",
    draftPublishRollbackPinning: "/docs/guides/building/images/draft-publish-rollback-pinning.svg",
    draftSwitcherChip: "/docs/guides/building/images/draft-switcher-chip.png",
    duplicateAgentDialog: "/docs/guides/building/images/duplicate-agent-dialog.png",
    flowConditions: "/docs/guides/building/images/flow-conditions.png",
    gambitPalette: "/docs/guides/building/images/gambit-palette.png",
    gambits: {
      gambitAiAgent: "/docs/guides/building/gambits/images/gambit-ai-agent.png",
      gambitApiCall: "/docs/guides/building/gambits/images/gambit-api-call.png",
      gambitAutoSuggestion: "/docs/guides/building/gambits/images/gambit-auto-suggestion.png",
      gambitButton: "/docs/guides/building/gambits/images/gambit-button.png",
      gambitCard: "/docs/guides/building/gambits/images/gambit-card.png",
      gambitChannel: "/docs/guides/building/gambits/images/gambit-channel.png",
      gambitCustomCode: "/docs/guides/building/gambits/images/gambit-custom-code.png",
      gambitDateTime: "/docs/guides/building/gambits/images/gambit-date-time.png",
      gambitGeoLocation: "/docs/guides/building/gambits/images/gambit-geo-location.png",
      gambitLanguage: "/docs/guides/building/gambits/images/gambit-language.png",
      gambitLiveChat: "/docs/guides/building/gambits/images/gambit-live-chat.png",
      gambitMediaUpload: "/docs/guides/building/gambits/images/gambit-media-upload.png",
      gambitNoInput: "/docs/guides/building/gambits/images/gambit-no-input.png",
      gambitRedirect: "/docs/guides/building/gambits/images/gambit-redirect.png",
      gambitStarRating: "/docs/guides/building/gambits/images/gambit-star-rating.png",
      gambitStartAndEnd: "/docs/guides/building/gambits/images/gambit-start-and-end.png",
      gambitText: "/docs/guides/building/gambits/images/gambit-text.png",
      gambitTrigger: "/docs/guides/building/gambits/images/gambit-trigger.png"
    },
    languagesTranslateGambit: "/docs/guides/building/images/languages-translate-gambit.png",
    languageSystemMessages: "/docs/guides/building/images/language-system-messages.png",
    newDraftDialog: "/docs/guides/building/images/new-draft-dialog.png",
    outputComponentsGrid: "/docs/guides/building/images/output-components-grid.png",
    publishDialog: "/docs/guides/building/images/publish-dialog.png",
    systemPromptDialog: "/docs/guides/building/images/system-prompt-dialog.png",
    testModeEventLog: "/docs/guides/building/images/test-mode-event-log.png",
    testModePanel: "/docs/guides/building/images/test-mode-panel.png",
    validationProblemsPanel: "/docs/guides/building/images/validation-problems-panel.png",
    variablePickerPanel: "/docs/guides/building/images/variable-picker-panel.png",
    variablePillInserted: "/docs/guides/building/images/variable-pill-inserted.png",
    versionsDraftsPanel: "/docs/guides/building/images/versions-drafts-panel.png"
  },
  campaigns: {
    campaignFlavorsTriggers: "/docs/guides/campaigns/images/campaign-flavors-triggers.svg",
    campaignReplyRouting: "/docs/guides/campaigns/images/campaign-reply-routing.svg",
    campaignSendAnatomy: "/docs/guides/campaigns/images/campaign-send-anatomy.svg",
    createACampaign: "/docs/guides/campaigns/images/create-a-campaign.png",
    walletReserveSettleRefund: "/docs/guides/campaigns/images/wallet-reserve-settle-refund.svg",
    webhookCampaignContractLocking: "/docs/guides/campaigns/images/webhook-campaign-contract-locking.svg",
    webhookCampaignLifecycleStates: "/docs/guides/campaigns/images/webhook-campaign-lifecycle-states.svg",
    webhookCampaignOneCallOneDelivery: "/docs/guides/campaigns/images/webhook-campaign-one-call-one-delivery.svg"
  },
  channels: {
    distributeWhatsappConnect: "/docs/guides/channels/images/distribute-whatsapp-connect.png",
    whatsappConnectDialogWaiting: "/docs/guides/channels/images/whatsapp-connect-dialog-waiting.png",
    whatsappEmptyState: "/docs/guides/channels/images/whatsapp-empty-state.png"
  },
  deploy: {
    bridgeEventGambitSection: "/docs/guides/deploy/images/bridge-event-gambit-section.png",
    deploymentSurfacesAndChannels: "/docs/guides/deploy/images/deployment-surfaces-and-channels.svg",
    designAgentTab: "/docs/guides/deploy/images/design-agent-tab.png",
    designLauncherTab: "/docs/guides/deploy/images/design-launcher-tab.png",
    embedIframeTab: "/docs/guides/deploy/images/embed-iframe-tab.png",
    embedTheWidget: "/docs/guides/deploy/images/embed-the-widget.png",
    mobileAppIntegration: "/docs/guides/deploy/images/mobile-app-integration.png",
    onYourDomain: "/docs/guides/deploy/images/on-your-domain.png",
    shareYourAgentLink: "/docs/guides/deploy/images/share-your-agent-link.png"
  },
  developer: {
    api: {
      channelSendTemplateVsMessage: "/docs/developer/api/images/channel-send-template-vs-message.svg",
      endUsers: {
        endUsersListCursorPagination: "/docs/developer/api/end-users/images/end-users-list-cursor-pagination.svg"
      },
      triggerCallConversationLifecycle: "/docs/developer/api/images/trigger-call-conversation-lifecycle.svg"
    },
    developerSurfacesMap: "/docs/developer/images/developer-surfaces-map.svg",
    embed: {
      embedConfigToWidgetContext: "/docs/developer/embed/images/embed-config-to-widget-context.svg",
      hostPageBridgeFlow: "/docs/developer/embed/images/host-page-bridge-flow.svg",
      identitySigningFlow: "/docs/developer/embed/images/identity-signing-flow.svg",
      scriptVsIframeEmbed: "/docs/developer/embed/images/script-vs-iframe-embed.svg"
    },
    mobile: {
      bridgeMessageProtocol: "/docs/developer/mobile/images/bridge-message-protocol.svg",
      webviewBridgeArchitecture: "/docs/developer/mobile/images/webview-bridge-architecture.svg"
    }
  },
  endUsers: {
    anonymousToIdentifiedProfile: "/docs/guides/end-users/images/anonymous-to-identified-profile.svg",
    bulkActionBar: "/docs/guides/end-users/images/bulk-action-bar.png",
    campaignConsentGate: "/docs/guides/end-users/images/campaign-consent-gate.svg",
    consentPerChannelStates: "/docs/guides/end-users/images/consent-per-channel-states.svg",
    dynamicVsStaticSegments: "/docs/guides/end-users/images/dynamic-vs-static-segments.svg",
    endUserDirectory: "/docs/guides/end-users/images/end-user-directory.png",
    endUserProfileAcrossChannels: "/docs/guides/end-users/images/end-user-profile-across-channels.svg",
    endUserProfilePanes: "/docs/guides/end-users/images/end-user-profile-panes.png",
    profileMergeAndTakeoverProtection: "/docs/guides/end-users/images/profile-merge-and-takeover-protection.svg",
    segmentBuilder: "/docs/guides/end-users/images/segment-builder.png",
    segmentsPage: "/docs/guides/end-users/images/segments-page.png"
  },
  getStarted: {
    agentStates: "/docs/get-started/images/agent-states.svg",
    buildToLivePath: "/docs/get-started/images/build-to-live-path.svg",
    dashboardSidebarMap: "/docs/get-started/images/dashboard-sidebar-map.png",
    organizationOwnershipAndRoles: "/docs/get-started/images/organization-ownership-and-roles.svg",
    quickstart: {
      step1CreateYourAccount: "/docs/get-started/images/quickstart/step-1-create-your-account.png",
      step3ConnectTheAiAgent: "/docs/get-started/images/quickstart/step-3-connect-the-ai-agent.png",
      step4TestMode: "/docs/get-started/images/quickstart/step-4-test-mode.png"
    },
    quickstartCanvas: "/docs/get-started/images/quickstart-canvas.png"
  },
  knowledge: {
    addASource: "/docs/guides/knowledge/images/add-a-source.png",
    addRetrieverPicker: "/docs/guides/knowledge/images/add-retriever-picker.png",
    attachKnowledgeGambit: "/docs/guides/knowledge/images/attach-knowledge-gambit.png",
    configureARetriever: "/docs/guides/knowledge/images/configure-a-retriever.png",
    createKnowledgeBaseDialog: "/docs/guides/knowledge/images/create-knowledge-base-dialog.png",
    customRetrieverDialog: "/docs/guides/knowledge/images/custom-retriever-dialog.png",
    datasetTab: "/docs/guides/knowledge/images/dataset-tab.png",
    documentChangeReindexLifecycle: "/docs/guides/knowledge/images/document-change-reindex-lifecycle.svg",
    documentsTabPreview: "/docs/guides/knowledge/images/documents-tab-preview.png",
    importAWebsite: "/docs/guides/knowledge/images/import-a-website.png",
    kbList: "/docs/guides/knowledge/images/kb-list.png",
    retrieverIndexStates: "/docs/guides/knowledge/images/retriever-index-states.svg",
    retrieverQueryPipeline: "/docs/guides/knowledge/images/retriever-query-pipeline.svg",
    standardVsParentChildChunking: "/docs/guides/knowledge/images/standard-vs-parent-child-chunking.svg",
    syncManagement: "/docs/guides/knowledge/images/sync-management.png",
    testRetriever: "/docs/guides/knowledge/images/test-retriever.png"
  },
  liveChat: {
    agentWorkspace: "/docs/guides/live-chat/images/agent-workspace.png",
    assignedAgentPicker: "/docs/guides/live-chat/images/assigned-agent-picker.png",
    automaticAssignmentRouting: "/docs/guides/live-chat/images/automatic-assignment-routing.svg",
    availabilityDropdown: "/docs/guides/live-chat/images/availability-dropdown.png",
    cannedResponses: "/docs/guides/live-chat/images/canned-responses.png",
    composerPreferences: "/docs/guides/live-chat/images/composer-preferences.png",
    copilotPanel: "/docs/guides/live-chat/images/copilot-panel.png",
    filterConversationsDialog: "/docs/guides/live-chat/images/filter-conversations-dialog.png",
    inboxAnalyticsTab: "/docs/guides/live-chat/images/inbox-analytics-tab.png",
    inboxAvailabilityTab: "/docs/guides/live-chat/images/inbox-availability-tab.png",
    inboxesSettings: "/docs/guides/live-chat/images/inboxes-settings.png",
    inboxRoutingTab: "/docs/guides/live-chat/images/inbox-routing-tab.png",
    labelsSettings: "/docs/guides/live-chat/images/labels-settings.png",
    newAttributeDialog: "/docs/guides/live-chat/images/new-attribute-dialog.png",
    newCannedResponseDialog: "/docs/guides/live-chat/images/new-canned-response-dialog.png",
    notificationPreferences: "/docs/guides/live-chat/images/notification-preferences.png",
    notificationsPage: "/docs/guides/live-chat/images/notifications-page.png",
    pickupTargetCard: "/docs/guides/live-chat/images/pickup-target-card.png",
    resolveMenu: "/docs/guides/live-chat/images/resolve-menu.png",
    searchDialog: "/docs/guides/live-chat/images/search-dialog.png",
    seatGateConversation: "/docs/guides/live-chat/images/seat-gate-conversation.png",
    seatsSettings: "/docs/guides/live-chat/images/seats-settings.png",
    workTheInbox: "/docs/guides/live-chat/images/work-the-inbox.png"
  },
  security: {
    addOpenRouterKeyDialog: "/docs/guides/security/images/add-open-router-key-dialog.png",
    auditChainVerified: "/docs/guides/security/images/audit-chain-verified.png",
    auditEventDrawer: "/docs/guides/security/images/audit-event-drawer.png",
    auditExportDialog: "/docs/guides/security/images/audit-export-dialog.png",
    auditLogViewer: "/docs/guides/security/images/audit-log-viewer.png",
    auditRecordLifecycle: "/docs/guides/security/images/audit-record-lifecycle.svg",
    logPrivacyRedactionEnabled: "/docs/guides/security/images/log-privacy-redaction-enabled.png",
    modelProviderEmptyState: "/docs/guides/security/images/model-provider-empty-state.png",
    privacySettings: "/docs/guides/security/images/privacy-settings.png",
    siemConnectWizard: "/docs/guides/security/images/siem-connect-wizard.png",
    supportActorMasking: "/docs/guides/security/images/support-actor-masking.svg"
  },
  tools: {
    addToolModal: "/docs/guides/tools/images/add-tool-modal.png",
    addToolsPanel: "/docs/guides/tools/images/add-tools-panel.png",
    codekitActionEditor: "/docs/guides/tools/images/codekit-action-editor.png",
    codekitConnectToolkitsDialog: "/docs/guides/tools/images/codekit-connect-toolkits-dialog.png",
    codekitSchemaDialog: "/docs/guides/tools/images/codekit-schema-dialog.png",
    codekitToolkit: "/docs/guides/tools/images/codekit-toolkit.png",
    codekitToolkitAnatomy: "/docs/guides/tools/images/codekit-toolkit-anatomy.svg",
    createActionDialog: "/docs/guides/tools/images/create-action-dialog.png",
    createCodekitDialog: "/docs/guides/tools/images/create-codekit-dialog.png",
    responseFilteringDialog: "/docs/guides/tools/images/response-filtering-dialog.png",
    toolGambitEditorAgentMode: "/docs/guides/tools/images/tool-gambit-editor-agent-mode.png",
    toolGambitEditorWorkflowMode: "/docs/guides/tools/images/tool-gambit-editor-workflow-mode.png",
    toolkitDetail: "/docs/guides/tools/images/toolkit-detail.png",
    toolsConnected: "/docs/guides/tools/images/tools-connected.png",
    toolsDirectory: "/docs/guides/tools/images/tools-directory.png",
    viewActionsModal: "/docs/guides/tools/images/view-actions-modal.png",
    workflowModeResponse: "/docs/guides/tools/images/workflow-mode-response.png"
  }
};

Returns a page of end-user records. Pass the returned `cursor` back until `isDone` is `true`.

Requires a key with the **End-users** permission. See [API authentication](/docs/developer/authentication).

<Frame>
  <img src={img.developer.api.endUsers.endUsersListCursorPagination} alt="A first request without a cursor returning a page response, the cursor feeding the next request while isDone is false, and paging finishing when isDone is true" />
</Frame>

<ParamField query="limit" type="integer">
  Page size. Default 50, maximum 100.
</ParamField>

<ParamField query="cursor" type="string">
  Pagination cursor from the previous response.
</ParamField>

<ParamField query="tag" type="string">
  Return only records carrying this tag.
</ParamField>

<ParamField query="origin" type="string">
  Filter by `inbound`, `imported`, or `manual`.
</ParamField>

## Response

<ResponseField name="endUsers" type="object[]">
  A page of [end-user records](/docs/developer/api/end-users#the-end-user-record).
</ResponseField>

<ResponseField name="cursor" type="string">
  Pass this back as the `cursor` query parameter to fetch the next page.
</ResponseField>

<ResponseField name="isDone" type="boolean">
  `true` when no more pages remain.
</ResponseField>

<ResponseExample>
  ```json 200 theme={null}
  {
    "endUsers": [
      {
        "_id": "eu_123",
        "name": "Ada Point",
        "email": "ada@example.com",
        "origin": "manual",
        "tags": ["vip"],
        "createdAt": 1753747200000,
        "lastSeenAt": 1753747200000
      }
    ],
    "cursor": "…",
    "isDone": false
  }
  ```
</ResponseExample>

## Errors

| Status | Code             | Cause                                                              |
| ------ | ---------------- | ------------------------------------------------------------------ |
| `400`  | `INVALID_ORIGIN` | The `origin` query value is not `inbound`, `imported`, or `manual` |
| `401`  | `UNAUTHORIZED`   | Missing, invalid, or revoked key                                   |
| `403`  | `FORBIDDEN`      | Key lacks the **End-users** permission                             |


## OpenAPI

````yaml api-reference/openapi.json GET /api/endusers
openapi: 3.1.0
info:
  title: Tars API
  version: 3.0.0
  description: >-
    Public REST API for Tars agents: start conversations at trigger gambits,
    send channel messages, manage end users, and drive webhook campaigns.
servers:
  - url: https://us.api.hellotars.com
    description: United States
  - url: https://eu.api.hellotars.com
    description: European Union
  - url: https://in.api.hellotars.com
    description: India
  - url: https://qa.api.hellotars.com
    description: Qatar
security:
  - bearerAuth: []
tags:
  - name: Triggers
    description: Start conversations at trigger gambits
  - name: Channels
    description: Outbound channel message sends
  - name: End users
    description: End-user record management
  - name: Campaigns
    description: Webhook campaign sends and validation
paths:
  /api/endusers:
    get:
      tags:
        - End users
      summary: List end users
      operationId: listEndUsers
      parameters:
        - name: limit
          in: query
          description: Page size. Defaults to 50, capped at 100.
          schema:
            type: integer
            default: 50
            maximum: 100
        - name: cursor
          in: query
          description: Pagination cursor from a previous response
          schema:
            type: string
        - name: tag
          in: query
          description: Return only records carrying this tag.
          schema:
            type: string
        - name: origin
          in: query
          description: Return only records with this origin.
          schema:
            type: string
            enum:
              - inbound
              - imported
              - manual
      responses:
        '200':
          description: A page of end users
          content:
            application/json:
              schema:
                type: object
                properties:
                  endUsers:
                    type: array
                    description: This page of end-user records.
                    items:
                      $ref: '#/components/schemas/EndUser'
                  cursor:
                    type:
                      - string
                      - 'null'
                    description: >-
                      Pass this back as the cursor query parameter to fetch the
                      next page.
                  isDone:
                    type: boolean
                    description: >-
                      True when this is the last page. Keep paging while it is
                      false.
                required:
                  - endUsers
                  - isDone
        '400':
          description: Invalid origin (INVALID_ORIGIN)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EndUserError'
        '401':
          description: Missing, invalid, or revoked API key (UNAUTHORIZED)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EndUserError'
        '403':
          description: Key lacks the endusers scope (FORBIDDEN)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EndUserError'
components:
  schemas:
    EndUser:
      type: object
      description: An end-user record in your organization.
      properties:
        _id:
          type: string
          description: The end-user record ID. Pass it to the single-record endpoints.
        name:
          type: string
          description: Display name.
        email:
          type: string
          description: Email address, normalized by Tars.
        phone:
          type: string
          description: Phone number in international format.
        tags:
          type: array
          items:
            type: string
          description: Free-form tags applied to this record.
        origin:
          type: string
          enum:
            - inbound
            - imported
            - manual
          description: >-
            How the record was created. inbound came from a conversation,
            imported came from a file import, and manual was created by hand or
            over this API.
        channelIdentifiers:
          $ref: '#/components/schemas/ChannelIdentifiers'
        consent:
          type: object
          description: >-
            Consent for each channel, keyed by channel name such as web or
            whatsapp. Absent when no consent has been recorded.
          additionalProperties:
            $ref: '#/components/schemas/ChannelConsent'
        createdAt:
          type: number
          description: When the record was created, in milliseconds since epoch.
        lastSeenAt:
          type: number
          description: When the end user was last active, in milliseconds since epoch.
      required:
        - _id
        - origin
        - createdAt
        - lastSeenAt
    EndUserError:
      type: object
      description: An error from the end-user endpoints.
      properties:
        error:
          type: string
          description: A sentence describing what went wrong.
        code:
          type: string
          description: >-
            A stable machine-readable code, for example DUPLICATE_ENDUSER or
            INVALID_ORIGIN.
        details:
          type: object
          description: >-
            Reserved for extra error context. The end-user endpoints do not
            currently return it.
      required:
        - error
        - code
    ChannelIdentifiers:
      type: object
      description: >-
        Where Tars can reach this end user on each channel. Every field is
        optional, and only the channels Tars has seen are present.
      properties:
        web:
          type: string
          description: The end user's identifier on the web channel.
        whatsapp:
          type: object
          description: The end user's WhatsApp identity.
          properties:
            phone:
              type: string
              description: Phone number in international format, for example +15551234567.
            bsuid:
              type: string
              description: An alternate WhatsApp identifier for the end user.
    ChannelConsent:
      type: object
      description: Current consent for one channel, and how it got there.
      properties:
        optedIn:
          type: boolean
          description: Whether the end user is currently opted in on this channel.
        timestamp:
          type: number
          description: When the current state was set, in milliseconds since epoch.
        source:
          type: string
          enum:
            - csv_import
            - api
            - manual
            - organic
            - keyword
            - bounce
          description: What set the current state.
        history:
          type: array
          description: Every earlier change, oldest first.
          items:
            $ref: '#/components/schemas/ConsentHistoryEntry'
      required:
        - optedIn
        - timestamp
        - source
        - history
    ConsentHistoryEntry:
      type: object
      description: One recorded change of consent state.
      properties:
        optedIn:
          type: boolean
          description: The consent state after this change.
        timestamp:
          type: number
          description: When the change happened, in milliseconds since epoch.
        source:
          type: string
          enum:
            - csv_import
            - api
            - manual
            - organic
            - keyword
            - bounce
          description: What caused the change.
        changedBy:
          type: string
          description: The member who made the change, when a person made it.
      required:
        - optedIn
        - timestamp
        - source
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        API key sent as Authorization: Bearer YOUR_API_KEY. Campaign endpoints
        use campaign-scoped keys; the rest use organization or agent keys with
        the matching permission.

````