# OpenClinica Bulk Operations API

**Canonical:** https://apis.io/apis/openclinica/openclinica-bulk-operations-api/  
**Provider:** OpenClinica — https://apis.io/providers/openclinica/  
**Base URL:** https://{subdomain}.build.openclinica.io/user-service/api  
**Documentation:** https://docs.openclinica.com/oc4/how-and-when-to-use-apis/

OpenClinica Bulk Operations API is one of 6 APIs that [OpenClinica](https://apis.io/providers/openclinica/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Bulk Operations. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Bulk participant and event operations plus the bulk actions log.

## Machine-readable artifacts (12)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/openclinica/refs/heads/main/openapi/openclinica-bulk-operations-api-openapi.yml
- **Documentation** — https://docs.openclinica.com/oc4/how-and-when-to-use-apis/
- **APIReference** — https://docs.openclinica.com/3-1-technical-documents/rest-api-specifications/rest-api-specifications-oauth-and-openclinica/
- **Documentation** — https://docs.openclinica.com/oc4/how-and-when-to-use-apis/oc4-openclinica-4-technical-documentation-participants-add/
- **APIReference** — https://docs.openclinica.com/oc4/how-and-when-to-use-apis/oc4-openclinica-4-technical-documentation-participants-get-participants-study-level-or-site-level/
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/openclinica/refs/heads/main/collections/openclinica.postman_collection.json
- **OpenCollection** — https://raw.githubusercontent.com/api-evangelist/openclinica/refs/heads/main/collections/openclinica.opencollection.json
- **Documentation** — https://docs.openclinica.com/oc4/how-and-when-to-use-apis/oc4-openclinica-4-technical-documentation-events-create-and-update-single-study-event/
- **Documentation** — https://docs.openclinica.com/oc4/how-and-when-to-use-apis/oc4-clinicaldata-import-crf-data/
- **Documentation** — https://docs.openclinica.com/3-1-technical-documents/rest-api-specifications/rest-api-specifications-read-openclinica-odm-metadata-rest-service/
- **APIReference** — https://docs.openclinica.com/3-1-technical-documents/rest-api-specifications/openclinica-restful-urls/
- **Documentation** — https://docs.openclinica.com/oc4/how-and-when-to-use-apis/oc4-participantsbulk-add-bulk-list-participant-ids/

## Other OpenClinica APIs (5)

- [OpenClinica Authentication API](https://apis.io/apis/openclinica/openclinica-authentication-api/)
- [OpenClinica Clinical Data API](https://apis.io/apis/openclinica/openclinica-clinical-data-api/)
- [OpenClinica Metadata API](https://apis.io/apis/openclinica/openclinica-metadata-api/)
- [OpenClinica Participants API](https://apis.io/apis/openclinica/openclinica-participants-api/)
- [OpenClinica Study Events API](https://apis.io/apis/openclinica/openclinica-study-events-api/)

## Tags

Bulk Operations

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