Upload an Income diligence

post

https://example.com/api/v3.0/{partnerCode}/users/{appUserId}/income/demand/attachments

Description

This endpoint allows the partner to save an Income diligence on the active Income demand.

Attachments contain a file name and Base64-encoded content. The API uploads each file
and links its generated storage key to the diligence.

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Path Params

partnerCode

string

required

Identifier of partner

appUserId

string

required

User identifier of partner

Format

Min 6 characters, max 30 characters

Accepted characters

0-9 a-z A-Z_-.!()

Example

ABCDEFGHI or
A1B2C3d4f5g678901234567890123

Body Params

Income diligence to save

type

string

required

length ≥ 1

Type of income due diligence

Income diligence sub type referential

Id	Code	Description
7	PAYSLIP	Last payslip, maximum 1 month old
11	TAX_NOTICE	Last tax notice, for year N-1 (e.g. in 2026, provide the 2025 tax notice)
12	INCOME_TAX	Last income tax receipt, for year N-1 (e.g. in 2026, provide the 2025 receipt)

files

array of objects

required

Attachments to upload and link to the diligence.

files*

Headers

CorrId

string

Defaults to bfbb210c-58cd-42e8-92bb-a89d70433087

Correlation Id

string

enum

Defaults to application/json

Generated from available response content types

Allowed:

content-type

string

enum

Defaults to application/json-patch+json

Generated from available request content types

Allowed:

Responses

201

Created

Description
The Name field is required.
The Type field is required.
The Content field is required.
Missing request Parameter(s)
The Files field is required.
Type must be in attachment type referential
The request to send a diligence other than identity, must not contain more than 1 document
The request to send an identity diligence must not contain more than 2 documents
Document type not allowed
The diligence sub-type is not expected for this demand.
The added diligence subtype must match the expected diligence types for the income demand

404 Not Found : DescriptionDemand does not exist.

500Internal Server Error