API
Extract, match and reconcile data from any document in any language.
One REST API that turns invoices, POs, delivery notes, bank statements into structured JSON with line items, tables, and header data intact.
No templates, no language routing, no configuration.
What Staple’s API does
Staple’s API accepts any document and returns structured JSON files with every extracted field. Multilingual documents are processed natively, no pre-processing. Push the extracted data into your ERP, or any downstream service.
What you can do with the API
Submit documents for extraction
Post a document (PDF, image, TIFF, or photo) and receive a structured extraction response. Staple classifies the document type with a trained ML classifier, so no routing logic on your side.
Extract line items and tables
Full line-item data from invoices and purchase orders, not just header fields. Table structures are preserved.
Process multilingual documents without pre-processing
Submit documents in any language and receive extracted fields in the same API call. No language detection, no translation layer, no per-locale pipeline. Documents in 300+ languages supported including Bahasa, Chinese, Korean, Thai and Vietnamese.
Receive webhook notifications
Register a webhook endpoint to receive extraction results asynchronously. Useful for high-volume pipelines where you don’t want to poll for results.
Access extraction results via GET
Retrieve previously processed document results by document ID. Useful for audit workflows and downstream reconciliation.
Push to downstream systems
Structured output feeds into your ERP, accounting software, RPA workflows, or expense management platform. Staple’s three SAP Concur modules use the same extraction engine, so API integrations and Concur workflows share identical accuracy. For SAP integration beyond what the pre-built modules cover, the API gives you that control.
Confirmed integrations
ERP & Accounting: SAP · Xero · MYOB · Microsoft Dynamics · Oracle NetSuite · QuickBooks RPA & Workflow: UiPath · Automation Anywhere Expense Management: SAP Concur · Coupa Cloud: AWS · Google Cloud Platform
Structured JSON output
Example invoice extraction response showing the field structure
Illustrative field structure. Actual field names and nesting follow Staple’s published schema — see the API reference for the complete specification.
Extraction accuracy: 95-99.6% across document types and languages. The global FMCG brand deployment across Chinese, Korean, Thai, and Vietnamese documents, returned 99.6%.
Authentication and security
API key authentication. Include your key in the Authorization header on every request. Generate and manage keys from the Staple dashboard. Enterprise deployments include SSO and RBAC as standard.
Data residency. Dedicated China instance for PRC data residency requirements. For other regional requirements, confirm instance locations with your account team.
Audit trail. Every extraction carries a field-level audit trail traceable from source document to extracted value. Data provenance on demand, native to the platform.
Security certifications Certifications for enterprise security review:
Getting started
Documentation
Full API reference (endpoints, parameters, request/response schemas, error codes, code examples) at documentation.staple.io.
API access
Contact the Staple team for API credentials. Enterprise access includes onboarding support and an SLA.