Zuva (by Kira Systems) provides a contract and document AI REST API for extracting structured data from unstructured documents. The Zuva DocAI API offers asynchronous OCR, field extraction across 1,400+ pre-built fields, multi-level document classification across 220+ document types, language detection, and a searchable fields catalog, secured with Bearer API tokens across US and EU regions.
APIs.json: https://raw.githubusercontent.com/api-evangelist/zuva/refs/heads/main/apis.yml
- AI
- Document AI
- Contract Analysis
- Field Extraction
- Classification
- OCR
- Created: 2026-06-21
- Modified: 2026-06-21
Upload document files for processing and receive a file_id used by the OCR, extraction, and classification services. Supports file expiration management and deletion.
- Human URL: https://zuva.ai/documentation/services/file-submission/
- Base URL:
https://us.app.zuva.ai/api/v2
- Files
- Upload
- Storage
- Documentation
- API Reference
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Asynchronously extract structured values for specified field IDs from uploaded documents using 1,400+ pre-built fields, returning text spans and locations. Submit a request, poll its status, then retrieve text results.
- Human URL: https://zuva.ai/documentation/services/field-extraction/
- Base URL:
https://us.app.zuva.ai/api/v2
- Field Extraction
- Contracts
- NLP
- Documentation
- API Reference
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Asynchronously classify documents across 220+ document types via the multi-level classification (MLC) service, returning the document type, language, and amendment status.
- Human URL: https://zuva.ai/documentation/services/document-classification/
- Base URL:
https://us.app.zuva.ai/api/v2
- Classification
- Document Types
- Multi-Level Classification
- Documentation
- API Reference
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Detect the primary language of a document. Language is returned as part of the multi-level classification (MLC) results; there is no standalone language endpoint.
- Human URL: https://zuva.ai/documentation/services/language-classification/
- Base URL:
https://us.app.zuva.ai/api/v2
- Language
- Detection
- Classification
- Documentation
- API Reference
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Asynchronously run optical character recognition on uploaded documents, returning extracted text, per-page PNG images, eOCR documents, and layout protobuf data with scan quality metrics.
- Human URL: https://zuva.ai/documentation/services/using-ocr/
- Base URL:
https://us.app.zuva.ai/api/v2
- OCR
- Text
- Images
- Documentation
- API Reference
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
List and manage the catalog of available extraction fields, including creating custom fields and reading or updating field metadata such as name and description.
- Human URL: https://zuva.ai/documentation/services/field-extraction/
- Base URL:
https://us.app.zuva.ai/api/v2
- Fields
- Catalog
- Metadata
- Documentation
- API Reference
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
FN: Kin Lane Email: kin@apievangelist.com