# HubSpot Event Attendees API

**Canonical:** https://apis.io/apis/hubspot/hubspot-event-attendees-api/  
**Provider:** HubSpot — https://apis.io/providers/hubspot/  
**Base URL:** https://api.hubapi.com  
**Documentation:** https://developers.hubspot.com/docs/api/cms/url-redirects

HubSpot Event Attendees API is one of 82 APIs that [HubSpot](https://apis.io/providers/hubspot/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 692 JSON Schema definitions. Tagged areas include Event Attendees. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, code examples, and 692 JSON Schemas.

The Event Attendees API from HubSpot — 4 operation(s) for event attendees.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| POST | `/marketing/marketing-events/2026-09/attendance/{externalEventId}/{subscriberState}/create` | Record Participants by ContactId with Marketing Event External Ids |
| POST | `/marketing/marketing-events/2026-09/attendance/{externalEventId}/{subscriberState}/email-create` | Record Participants by Email with Marketing Event External Ids |
| POST | `/marketing/marketing-events/2026-09/{objectId}/attendance/{subscriberState}/create` | Record Participants by ContactId with Marketing Event Object Id |
| POST | `/marketing/marketing-events/2026-09/{objectId}/attendance/{subscriberState}/email-create` | Record Participants by Email with Marketing Event Object Id |

## Machine-readable artifacts (1066)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/openapi/hubspot-event-attendees-api-openapi.yml
- **Documentation** — https://developers.hubspot.com/docs/api/cms/domains
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/domains-api-domain-collection-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/domains-api-domain-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/domains-api-forward-paging-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/domains-api-next-page-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/domains-api-domain-collection-response-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/domains-api-domain-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/domains-api-forward-paging-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/domains-api-next-page-structure.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/domains-api-domain-collection-response-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/domains-api-domain-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/domains-api-forward-paging-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/domains-api-next-page-example.json
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/graphql/hubspot-graphql.md
- **Documentation** — https://developers.hubspot.com/docs/api/cms/source-code
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-action-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-asset-file-metadata-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-file-extract-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-file-upload-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-task-locator-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-validation-error-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-validation-result-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-validation-warning-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-action-response-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-asset-file-metadata-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-file-extract-request-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-file-upload-request-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-task-locator-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-validation-error-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-validation-result-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-validation-warning-structure.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-action-response-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-asset-file-metadata-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-file-extract-request-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-file-upload-request-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-task-locator-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-validation-error-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-validation-result-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-validation-warning-example.json
- …and 1026 more, listed in full on the page.

## Other HubSpot APIs (12)

- [HubSpot URL Redirects API](https://apis.io/apis/hubspot/hubspot-url-redirects-api/)
- [HubSpot Pipelines API](https://apis.io/apis/hubspot/hubspot-pipelines-api/)
- [HubSpot Products API](https://apis.io/apis/hubspot/hubspot-products-api/)
- [HubSpot Line Items API](https://apis.io/apis/hubspot/hubspot-line-items-api/)
- [HubSpot Quotes API](https://apis.io/apis/hubspot/hubspot-quotes-api/)
- [HubSpot CRM Properties API](https://apis.io/apis/hubspot/hubspot-crm-properties-api/)
- [HubSpot Owners API](https://apis.io/apis/hubspot/hubspot-owners-api/)
- [HubSpot CRM Imports API](https://apis.io/apis/hubspot/hubspot-crm-imports-api/)
- [HubSpot Custom Objects API](https://apis.io/apis/hubspot/hubspot-custom-objects-api/)
- [HubSpot Marketing Events API](https://apis.io/apis/hubspot/hubspot-marketing-events-api/)
- [HubSpot Forms API](https://apis.io/apis/hubspot/hubspot-forms-api/)
- [HubSpot Workflows API](https://apis.io/apis/hubspot/hubspot-workflows-api/)

## Tags

Event Attendees

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/hubspot/hubspot-event-attendees-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/hubspot/.