API Reference
API Reference

Download form 300 by year

post
https://api.getkonvex.com/core/api/dian/download-300-pdf-by-year

This endpoint retrieves or generates the official Formulario 300 PDF (Tax Return for Legal Entities) for a specific fiscal year.

Body Params
string
required
Defaults to 2025

The fiscal year of the tax return (e.g., 2025).

string
required

The unique ID of the form. Note: This ID must be obtained beforehand from the Form 300 GET request.

Headers
string
required

Connection or Integration ID. A unique identifier that links the request to the client's specific account or environment. DIAN

Responses

Updated 20 days ago

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Response 
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application/json
Updated 20 days ago