activities1

brokers4

categories6

client_properties6

client_sources1

client_statuses1

clients7

comments1

commission_splits1

contracts10

post/contracts/preview
post/contracts/reserve_number
get/contracts
post/contracts
post/contracts/{id}/documents
delete/contracts/{id}/documents
post/contracts/{id}/preview
get/contracts/{id}
put/contracts/{id}
delete/contracts/{id}

custom_field_groups3

custom_fields7

folders1

groups1

history5

images6

locations4

message_trackings1

note_attachments1

portals1

projects5

properties12

property_statuses1

publishings1

recipes4

relationship_categories1

relationships4

rights1

saved_queries6

shops2

snippets6

tasks4

Webhooks3

contracts

POST /contracts/{id}/documents

Changed on Oct 15, 2026

Link an existing object document to a lease contract.

Request

Base URL
https://api.propstack.de/v2
Auth
API key in header X-Api-Key

Path parameters

idinteger required

Request body

document_idinteger required

Response