> ## Documentation Index > Fetch the complete documentation index at: https://api-docs.hellotracks.com/llms.txt > Use this file to discover all available pages before exploring further. # Update an ETA session > Changes the fields sent. A new expiresIn counts from now (at most 90 days). Changing showWorkerName or showMap records a visibility_changed event. Workers are refused with 403 (code permission_denied). An unknown session id gives 400 (invalid_request). ## OpenAPI ````yaml v1/openapi.json PATCH /eta/sessions/{id} openapi: 3.1.0 info: title: Hellotracks REST API version: '1' description: >- Plain REST resources over HTTPS, for tools, automations and services. The ht command line is built on it. contact: email: api@hellotracks.com servers: - url: https://api.hellotracks.com/v1 security: - ApiKey: [] tags: - name: Sign-up and sign-in description: >- Create a company or get an API key by an emailed code, without a key; and check which account a key belongs to. - name: Company description: The company the API key belongs to, with its settings and teams. - name: Members description: 'The people in the company: admins, operators and workers.' - name: API keys description: 'The company''s API keys: list, create, revoke and delete.' - name: Jobs description: 'Jobs: work at a location on a date, assigned to a member.' - name: Places description: 'Places: customer sites and other saved locations with a check-in radius.' - name: Zones description: 'Zones: the company''s geofences.' - name: Routing description: Route optimization for one member's day. - name: ETA pages description: >- Live ETA pages (eta.page links) that show a job's recipient when the worker arrives. - name: Maps description: Rendered maps as GeoJSON, and public map share links. - name: Timesheets description: Clock-in and clock-out entries of members, with totals, and editing them. - name: Forms description: >- Form templates, submitted forms, attachments for file and image fields, and forms linked to places and jobs. - name: Alerts description: >- Alert rules (configs) that watch members, places and zones, and the alerts (instances) they raised. - name: Reports description: >- Reports: the newer reporting API (catalog, preview, run, saved) and the older one (types, generate, jobs, uploads, recurring). - name: Webhooks description: URLs Hellotracks calls when jobs, check-ins, clock-ins or alerts happen. paths: /eta/sessions/{id}: patch: tags: - ETA pages summary: Update an ETA session description: >- Changes the fields sent. A new expiresIn counts from now (at most 90 days). Changing showWorkerName or showMap records a visibility_changed event. Workers are refused with 403 (code permission_denied). An unknown session id gives 400 (invalid_request). operationId: updateEtaSession parameters: - name: id in: path required: true schema: type: string example: eta_k7m2p9x4q8r3 description: ETA session id (eta_...). requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/EtaSessionUpdate' example: showWorkerName: false expiresIn: 48h responses: '200': description: Success content: application/json: schema: type: object required: - data - error - meta properties: data: type: object required: - session properties: session: $ref: '#/components/schemas/EtaSession' error: type: 'null' meta: $ref: '#/components/schemas/Meta' example: data: session: id: eta_k7m2p9x4q8r3 token: k7m2p9x4q8r3 jobId: '650000000000000000000001' placeId: p1q2r3 memberId: a1b2c3 recipientName: Sam Lee recipientPhone: '+14155550102' recipientEmail: sam@example.com title: Install water heater status: assigned recipientStatus: unknown etaWindowStart: 1793552400000 etaWindowEnd: 1793563200000 etaConfidence: scheduled publicUrl: https://eta.page/K7M2-P9X4-Q8R3 apiUrl: https://api.hellotracks.com/api/eta/k7m2p9x4q8r3 showWorkerName: true showMap: true branding: companyName: Example Plumbing companyId: c1d2e3 viewedAt: 0 readyConfirmedAt: 0 accessNotes: '' rescheduleRequestedAt: 0 rescheduleNote: '' source: public_api createdById: c1d2e3 createdByName: Example Plumbing createdAt: 1793520000000 updatedAt: 1793520000000 expiresAt: 1796112000000 revokedAt: 0 expired: false revoked: false job: id: '650000000000000000000001' title: Install water heater date: '2026-11-02' status: assigned progressCode: 1 timeWindow: start: '09:00' end: '12:00' address: 500 Market St, San Francisco, CA 94105 recipientSafe: ready: false accessNotesAdded: false rescheduleRequested: false error: null meta: path: /v1/eta/sessions/{id} method: PATCH '400': $ref: '#/components/responses/BadRequest' '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '429': $ref: '#/components/responses/TooManyRequests' '500': $ref: '#/components/responses/ServerError' components: schemas: EtaSessionUpdate: type: object additionalProperties: false properties: recipientName: type: string recipientPhone: type: string recipientEmail: type: string title: type: string showWorkerName: type: boolean showMap: type: boolean expiresIn: type: - integer - string description: >- New lifetime counted from now: milliseconds or 30m, 24h, 30d. Without a value given, 30 days; at most 90 days. expires: type: - integer - string description: Same as expiresIn. example: showWorkerName: false expiresIn: 48h EtaSession: type: object properties: id: type: string description: Session id, eta_ followed by 12 characters. token: type: string description: Public token of the eta.page link. jobId: type: string placeId: type: string memberId: type: string description: Assignee when the session was created. recipientName: type: string recipientPhone: type: string recipientEmail: type: string title: type: string status: $ref: '#/components/schemas/EtaSessionStatus' recipientStatus: type: string etaWindowStart: type: integer format: int64 description: ms timestamp, 0 when unknown. etaWindowEnd: type: integer format: int64 description: ms timestamp, 0 when unknown. etaConfidence: type: string description: >- scheduled, pending_schedule, live, trip_active, stale_location, or the terminal status. publicUrl: type: string format: uri description: https://eta.page/XXXX-XXXX-XXXX apiUrl: type: string format: uri showWorkerName: type: boolean showMap: type: boolean branding: type: object properties: companyName: type: string companyId: type: string viewedAt: type: integer format: int64 readyConfirmedAt: type: integer format: int64 accessNotes: type: string rescheduleRequestedAt: type: integer format: int64 rescheduleNote: type: string source: type: string description: >- The HT-Integration-Source header of the create request, else public_api. createdById: type: string createdByName: type: string createdAt: type: integer format: int64 updatedAt: type: integer format: int64 expiresAt: type: integer format: int64 revokedAt: type: integer format: int64 description: 0 when not revoked. expired: type: boolean revoked: type: boolean job: type: object description: Left out when the job no longer exists. properties: id: type: string title: type: string date: type: string description: YYYY-MM-DD, empty string when the job has no date. status: $ref: '#/components/schemas/EtaSessionStatus' progressCode: type: integer description: >- 0 unassigned, 1 scheduled, 2 accepted, 3 in progress, 4 success, 5 failed. timeWindow: $ref: '#/components/schemas/JobTimeWindow' address: type: string completedAt: type: integer format: int64 recipientSafe: type: object description: >- What the recipient did on the page. Left out when the job no longer exists. properties: ready: type: boolean accessNotesAdded: type: boolean rescheduleRequested: type: boolean completion: type: string enum: - completed - issue completedAt: type: integer format: int64 example: id: eta_k7m2p9x4q8r3 token: k7m2p9x4q8r3 jobId: '650000000000000000000001' placeId: p1q2r3 memberId: a1b2c3 recipientName: Sam Lee recipientPhone: '+14155550102' recipientEmail: sam@example.com title: Install water heater status: assigned recipientStatus: unknown etaWindowStart: 1793552400000 etaWindowEnd: 1793563200000 etaConfidence: scheduled publicUrl: https://eta.page/K7M2-P9X4-Q8R3 apiUrl: https://api.hellotracks.com/api/eta/k7m2p9x4q8r3 showWorkerName: true showMap: true branding: companyName: Example Plumbing companyId: c1d2e3 viewedAt: 0 readyConfirmedAt: 0 accessNotes: '' rescheduleRequestedAt: 0 rescheduleNote: '' source: public_api createdById: c1d2e3 createdByName: Example Plumbing createdAt: 1793520000000 updatedAt: 1793520000000 expiresAt: 1796112000000 revokedAt: 0 expired: false revoked: false job: id: '650000000000000000000001' title: Install water heater date: '2026-11-02' status: assigned progressCode: 1 timeWindow: start: '09:00' end: '12:00' address: 500 Market St, San Francisco, CA 94105 recipientSafe: ready: false accessNotesAdded: false rescheduleRequested: false Meta: type: object properties: path: type: string description: The request path, without /v1. example: /jobs method: type: string example: GET EtaSessionStatus: type: string enum: - scheduled - assigned - en_route - approaching - arrived - completed - cancelled - revoked - expired - unavailable description: >- scheduled (no assignee), assigned (not yet accepted), en_route / approaching (accepted or on a trip; approaching under 1 km), arrived (checked in or trip finished), completed, cancelled (job failed or deleted), revoked, expired, unavailable (job not found). JobTimeWindow: type: object description: >- Time window on the job's date, local time of the company, as HH:mm strings (24:00 allowed as the end). properties: start: type: string pattern: ^\d{2}:\d{2}$ description: HH:mm. 00:00 when not set. example: '09:00' end: type: string pattern: ^\d{2}:\d{2}$ description: HH:mm. 24:00 when not set. example: '12:00' ErrorEnvelope: type: object properties: data: type: 'null' error: $ref: '#/components/schemas/Error' meta: $ref: '#/components/schemas/Meta' Error: type: object required: - code - message properties: code: type: string description: Stable error code for programs. enum: - invalid_request - invalid_format - invalid_data - invalid_api_key - unknown_user - authentication_failed - forbidden - not_found - already_exists - throttled - not_ready - clock_invalid - force_logout - internal_error - unknown_error message: type: string description: Why it failed, for people. responses: BadRequest: description: The request is invalid. content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' example: data: null error: code: invalid_request message: date must be YYYY-MM-DD meta: path: /jobs method: GET Unauthorized: description: The API key is missing or invalid. content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' example: data: null error: code: invalid_api_key message: Invalid Hellotracks API key. meta: path: /jobs method: GET Forbidden: description: The key may not do this. content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' example: data: null error: code: forbidden message: No permission. meta: path: /jobs method: GET TooManyRequests: description: Too many requests; slow down. content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' example: data: null error: code: throttled message: Too many requests. meta: path: /jobs method: GET ServerError: description: Hellotracks failed; retry later. content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' example: data: null error: code: internal_error message: Hellotracks API is temporarily unavailable. meta: path: /jobs method: GET securitySchemes: ApiKey: type: apiKey in: header name: API-Key description: >- Your API key, from More → API & Integrations in the dashboard, or from ht signup / ht auth login. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.