Information extraction from tax references

This synchronous API extracts in real-time information from french tax reference:

Control categories

The control categories returned by the API are the following:

  • Data coherency: Verifies the format and the content of the extracted information.
  • Visual controls: Verifies the visual conformity of the document.
  • Metadata: Verifies the metadata of the file to detect document alterations.

Status codes

The API returns the following status codes:

Code Code Name Description
1.0 conform The document has been fully verified by the AI, it is valid and conform
2.1 bluriness The document could not be processed: Bluriness
2.2 readability The document could not be processed: Could not read textual information
4.0 toVerify We could not process all the controls on the given document, please review its authenticity
5.0 AIRejected At least one element on the document is suspected to be fraudulent
  • Name of the taxpayer.
  • Taxpayer fiscal number (numéro fiscal).
  • Taxpayer fiscal reference (Référence de l'avis).
  • Tax year.
  • Taxpayer fiscal reference income (Revenu fiscal de référence).
  • Taxpayer total salary over tax year.
  • Taxable income.
  • Number of shares.
  • Secondary taxpayer name.
  • Secondary taxpayer fiscal number.
  • Secondary taxpayer total salary over tax year.

It also extracts control information on the fields above using the tax-reference 2ddoc :

  • Conformity of the taxpayer fiscal number : Verify whether the extracted fiscal number adheres to the correct format.
  • Conformity of the taxpayer fiscal reference : Verify whether the extracted fiscal reference adheres to the correct format.
  • Conformity of the secondary taxpayer fiscal number (if it exists): Verify whether the extracted fiscal number adheres to the correct format.
  • Checks if the taxpayer name match (between document and 2ddoc)
  • Checks if the secondary taxpayer name match (between document and 2ddoc)
  • Checks if the number of shares match (between document and 2ddoc)
  • Checks if the taxpayer fiscal number match (between document and 2ddoc)
  • Checks if the secondary taxpayer fiscal number (if it exists) match (between document and 2ddoc)
  • Checks if the taxpayer fiscal reference income match (between document and 2ddoc)
  • Checks if the taxpayer fiscal reference match (between document and 2ddoc)
  • Checks if the tax year match (between document and 2ddoc)

Maximum file size: 5 MB. Maximum number of calls per minute: 10 calls.

Input document(s) can be either Black & White or colored.

For better results, it is highly recommended to provide documents under these properties :

  • The image resolution should be greater than 200 DPI
  • The document must not be blurred or rotated
  • In case of a photo document, make sure that the text area does not contain any highlights or shadows
  • The entire document must be in the frame
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