> ## Documentation Index > Fetch the complete documentation index at: https://docs.member.dev/llms.txt > Use this file to discover all available pages before exploring further. # Contact Email Engagement > Per-send tracked feedback for this contact, newest queued time and ID first. Includes persisted machine/prefetch events; no bot filtering. Tracking off, BYO SMTP or missing webhook feedback means unknown engagement: zero events never proves unread. Link-bearing auth emails are omitted. Erased residual identities have subject and template metadata redacted. No addresses, body, context, raw webhook payload, provider identifiers or URLs are returned. ## OpenAPI ````yaml /openapi/mio-openapi.json get /api/v1/teams/{team_id}/contacts/{team_contact_id}/email-engagement openapi: 3.1.0 info: description: >- Production API reference for Membership.io. Use the authored guides for workflows and the generated endpoint pages for exact parameters and schemas. title: Membership.io API version: 0.1.0 servers: - description: Production url: https://api.member.dev security: - bearerAuth: [] paths: /api/v1/teams/{team_id}/contacts/{team_contact_id}/email-engagement: get: tags: - contacts-admin summary: Contact Email Engagement description: >- Per-send tracked feedback for this contact, newest queued time and ID first. Includes persisted machine/prefetch events; no bot filtering. Tracking off, BYO SMTP or missing webhook feedback means unknown engagement: zero events never proves unread. Link-bearing auth emails are omitted. Erased residual identities have subject and template metadata redacted. No addresses, body, context, raw webhook payload, provider identifiers or URLs are returned. operationId: >- contacts_admin.get_contacts_admin_get_teams_by_team_id_contacts_by_team_contact_id_email_engagement parameters: - in: path name: team_id required: true schema: title: Team Id type: string - in: path name: team_contact_id required: true schema: title: Team Contact Id type: string - description: Cursor — ID of the last item on the previous page. in: query name: page[after] required: false schema: anyOf: - type: string - type: 'null' description: Cursor — ID of the last item on the previous page. title: Page[After] - in: query name: page[size] required: false schema: default: 20 maximum: 100 minimum: 1 title: Page[Size] type: integer responses: '200': content: application/vnd.api+json: schema: $ref: '#/components/schemas/ContactEmailEngagementListResponse' description: Successful Response '401': content: application/vnd.api+json: schema: $ref: '#/components/schemas/JsonApiErrorResponse' description: Authentication required '403': content: application/vnd.api+json: schema: $ref: '#/components/schemas/JsonApiErrorResponse' description: Owner JWT or same-team full-access API key required '404': content: application/vnd.api+json: schema: $ref: '#/components/schemas/JsonApiErrorResponse' description: Contact not found '422': content: application/vnd.api+json: schema: $ref: '#/components/schemas/JsonApiErrorResponse' description: invalid_cursor at page[after] '429': content: application/vnd.api+json: schema: $ref: '#/components/schemas/JsonApiErrorResponse' description: 'Read limit: 300/hour; Retry-After header' headers: Retry-After: schema: type: string security: - HTTPBearer: [] components: schemas: ContactEmailEngagementListResponse: properties: data: items: $ref: '#/components/schemas/ContactEmailEngagementResource' title: Data type: array links: additionalProperties: anyOf: - type: string - type: 'null' title: Links type: object meta: additionalProperties: true title: Meta type: object required: - data - meta - links title: ContactEmailEngagementListResponse type: object JsonApiErrorResponse: description: Error JSON:API response. properties: errors: items: $ref: '#/components/schemas/JsonApiError' title: Errors type: array meta: anyOf: - additionalProperties: true type: object - type: 'null' title: Meta required: - errors title: JsonApiErrorResponse type: object ContactEmailEngagementResource: properties: attributes: $ref: '#/components/schemas/ContactEmailEngagementAttributes' id: title: Id type: string type: const: contact_email_engagements default: contact_email_engagements title: Type type: string required: - id - attributes title: ContactEmailEngagementResource type: object JsonApiError: properties: code: anyOf: - type: string - type: 'null' title: Code detail: anyOf: - type: string - type: 'null' title: Detail id: anyOf: - type: string - type: 'null' title: Id meta: anyOf: - additionalProperties: true type: object - type: 'null' title: Meta source: anyOf: - additionalProperties: type: string type: object - type: 'null' title: Source status: title: Status type: string title: title: Title type: string required: - status - title title: JsonApiError type: object ContactEmailEngagementAttributes: description: >- Tracked feedback, including machines/prefetch; zero does not prove unread. properties: click_count: minimum: 0 title: Click Count type: integer clicked: title: Clicked type: boolean first_clicked_at: anyOf: - format: date-time type: string - type: 'null' title: First Clicked At first_opened_at: anyOf: - format: date-time type: string - type: 'null' title: First Opened At hub_id: title: Hub Id type: string last_clicked_at: anyOf: - format: date-time type: string - type: 'null' title: Last Clicked At last_opened_at: anyOf: - format: date-time type: string - type: 'null' title: Last Opened At open_count: minimum: 0 title: Open Count type: integer opened: title: Opened type: boolean queued_at: format: date-time title: Queued At type: string send_status: title: Send Status type: string sent_at: anyOf: - format: date-time type: string - type: 'null' title: Sent At subject: anyOf: - type: string - type: 'null' title: Subject template_ref: anyOf: - type: string - type: 'null' title: Template Ref required: - hub_id - subject - template_ref - send_status - queued_at - sent_at - opened - first_opened_at - clicked - first_clicked_at - open_count - click_count - last_opened_at - last_clicked_at title: ContactEmailEngagementAttributes type: object securitySchemes: bearerAuth: bearerFormat: JWT or mio_sk API key description: >- Send platform JWTs, contact JWTs, or team API keys as `Authorization: Bearer `. scheme: bearer type: http HTTPBearer: scheme: bearer type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.