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YouSign Custom Property API

A configurable field (list or text) allowing to tag Signature Requests with structured values.

YouSign Custom Property API is one of 38 APIs that YouSign publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 1 JSON Schema definition.

Tagged areas include Custom Property. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a changelog, rate-limit docs, and 1 JSON Schema.

This API exposes 5 operations across 2 paths, and defines 16 schemas. It is described by OpenAPI 3.2.0, at version 3.0.

Requests are made against 2 base URLs: https://api-sandbox.yousign.app/v3, https://api.yousign.app/v3.

5 operations 2 paths 16 schemas 1 DELETE2 GET1 PATCH1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
3.0
Base URL
https://api.yousign.com/v3
Authentication
HTTP Bearer
Contact
Resource Areas
1

Authentication & Security 1

YouSign Custom Property API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (bearerAuth). By default, every request must be authenticated.

Paths & Operations 5

Across 2 paths, the API surfaces 5 operations — 1 DELETE, 2 GET, 1 PATCH, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Custom Property 5

A configurable field (list or text) allowing to tag Signature Requests with structured values.

GET
/custom_properties
List Custom Properties
get-custom_properties 4 params → 200400401403405429500
POST
/custom_properties
Create a Custom Property
post-custom_properties body → 201400401403404405429500
DELETE
/custom_properties/{customPropertyId}
Delete a Custom Property
delete-custom_properties-id 1 param → 204400401403404405429500
GET
/custom_properties/{customPropertyId}
Get a Custom Property
get-custom_properties-id 1 param → 200400401403404405429500
PATCH
/custom_properties/{customPropertyId}
Update a Custom Property
patch-custom_properties-id 1 param body → 200400401403404405429500

Schemas 16

The contract defines 16 schemas that model the data the API accepts and returns. The most detailed are CustomProperty (10 properties), UpdateCustomProperty (6 properties), CreateCustomProperty (6 properties), CustomPropertyOptionUpdate (4 properties). Each schema is shown below with its type and property counts.

MethodNotAllowed
object
1 property 1 required
UUID
string
The unique identifier for a resource.
CustomPropertyOption
object
4 properties 4 required
ForbiddenResponse
object
2 properties 2 required
CustomPropertyOptionInput
object
3 properties 1 required
CustomPropertyList
object
2 properties 1 required
NotFoundResponse
object
2 properties 2 required
UpdateCustomProperty
object
6 properties
TooManyRequestsResponse
object
1 property 1 required
CustomProperty
object
10 properties 5 required
CreateCustomProperty
object
6 properties 2 required
CustomPropertyType
string
InternalServerError
object
2 properties 2 required
UnauthorizedResponse
object
2 properties 2 required
BadRequestResponse
object
2 properties 2 required
CustomPropertyOptionUpdate
object
4 properties 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

yousign-custom-property-api-openapi.yml Raw ↑

Other APIs YouSign publishes across the network.

YouSign Applicant API
YouSign Approver API
YouSign Archive API
YouSign Audit Trail API
YouSign Bank Account Lookup Verification API
YouSign Bank Account Verification API
YouSign Company Verification API
YouSign Consumption API
YouSign Contact API
YouSign Custom Experience API
YouSign Deprecated API
YouSign Document Analysis API
Where this information came from

This is an independent, third-party profile of YouSign Custom Property API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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