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  • Documentation
    • Mobile App – Signatus
    • Web App – Signatus 2 API
    • Web App – OKdokument API
    • Web App – OKdokument
  • Contact Us

1. API concept

  • Overview
  • 1.1 Supported web browsers
  • 1.2 Supported languages
  • 1.3 How to prepare document for signature
  • 1.4 How to use acrofields
  • 1.5 How to use pre-defined signature fields
  • 1.6 Document states
  • 1.7 Storing and deleting documents
  • 1.8 OKDokument API call list
  • 1.9 QR code
  • 1.10 Email and SMS
  • 1.11 Dictionary

2. Core API services

  • Authorization
  • Create signature request
  • Upload
  • Open document
  • Information about signing completion
  • Result URL
  • Download document
  • Delete document
  • Rules
  • Document fields configuration
  • Integration Resources & API Documentation

3. Additional API services

  • List of the documents
  • Document Info
  • Update Signature Request
  • Delete Signature Request
  • Signature Request Counter
  • Upload document

4. Use cases

  • Overview
  • 4.1 Example 1: Simple one-round signing
  • 4.2 Example 2: One-round signing with redirect url
  • 4.3 Example 3: One-round signing with send info
  • 4.4 Example 4: Multi-Round Signing

5. Configuration of the signing process

  • Overview
  • 5.1 One-round signing with simple PDF
  • 5.2 Multi-round signing with simple PDF
  • 5.3  One-round signing with PDF with tags
  • 5.4 Multi-round signing with PDF with tags
  • 5.5 One-round signing with PDF with signature acrofields
  • 5.6 Multi-round signing with PDF with signature acrofields
  • 5.7 Accessing document after inserting OTP
  • 5.8 Sign document with OTP
  • 5.9 Email
  • 5.10 QR code

6. Examples

  • Postman examples
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  • Web App - OKdokument API
  • 2. Core API services
  • Download document

Download document

Once the document is signed it can be downloaded by Portal application. GET method /JSON/document/{id}) is used to download the (binary) content of the signed document.

Service specification: #

URLhttps://apidev.okdokument.com/JSON/document/{documentId}
MethodGET
AuthenticationHeader x-api-key
Response Typeapplication/json

Request description #

Request path variable:

KeyTypeDescription
documentIdpathThe documentId retrieved from the response body of the Create signature request service
HTTP- Click to view HTTP code snippet
GET /JSON/document/y7Ki_u1mrUwijfb-o_S1JiphSsoXya8iypH380F HTTP/1.1
Host: localhost:8080
x-api-key: 7796b696_bd2b1aaf7ef4f09be9f52ce2d8d599674d81aa9d6a4421696dc4d93dd0619d682ce56b4d64a9ef097761ced99e0f67265b5f76085e5b0ee7ca4696b2ad6fe2b2

Response description #

Status codeDescription
200 OKPdf document binary data
401 UnauthorizedWhen user is not authenticated
403 ForbiddenWhen user lacks required permissions
404 Not FoundIf the document with the specified id does not exist.
500 Internal Server ErrorServer processing error

Error response example :

{
    "message": "err.not.found",
    "value": "00h2dY9Zo8KN-MXBFTX1SXhA-9WZo8Fsf98H-JGgpiNr5MVqpBPnEbLTxMPZZtN8BjI2LSBIWeOkIQ1pipsXBobY9HiPcHPQXwDpJGeezw8333"
}

Updated on 08/05/2026
Result URLDelete document
Table of Contents
  • Service specification:
  • Request description
  • Response description
  • Documentation
    • Mobile App – Signatus
    • Web App – Signatus 2 API
    • Web App – OKdokument API
    • Web App – OKdokument
  • Contact Us
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