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Unstoppable Domains contacts API

Create and manage ICANN-required contacts for domain registration. Contacts represent individuals or organizations associated with domain roles (owner, admin, tech, billing).New contacts are automatically sent a verification email upon creation. Contacts can be used in domain registrations immediately, but domains associated with unverified contacts may become unmanageable after a certain period.

Unstoppable Domains contacts API is one of 33 APIs that Unstoppable Domains publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Contacts. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 4 operations across 4 paths, and defines 37 schemas. It is described by OpenAPI 3.1.0, at version 3.0.0.

Requests are made against 2 base URLs: https://api.unstoppabledomains.com/partner/v3, https://api.ud-sandbox.com/partner/v3.

4 operations 4 paths 37 schemas 1 GET3 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
3.0.0
Base URL
https://api.unstoppabledomains.com/resolve
Authentication
HTTP Bearer
Resource Areas
1

Authentication & Security 1

Unstoppable Domains contacts API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (JWT) (bearer). By default, every request must be authenticated.

Paths & Operations 4

Across 4 paths, the API surfaces 4 operations — 1 GET, 3 POST. Each is listed below with its method, path, parameters, and response codes.

contacts 4

Create and manage ICANN-required contacts for domain registration. Contacts represent individuals or organizations associated with domain roles (owner, admin, tech, billing). New…

GET
/contacts/{contactId}
Get a contact
getContact 1 param → 200400401403404500
POST
/contacts
Create a contact
createContact 1 param body → 201400401403409500
POST
/mcp/v1/actions/ud_contacts_list
List ICANN contacts
contactsList body → 200401
POST
/mcp/v1/actions/ud_contact_create
Create ICANN contact
contactCreate body → 200401

Schemas 37

The contract defines 37 schemas that model the data the API accepts and returns. The most detailed are ContactResponse (14 properties), ContactCreateRequestBody (10 properties), OperationCheckResponse (9 properties), PlatformOperationContactCreate (7 properties). Each schema is shown below with its type and property counts.

PlatformOperationDnsRecordDelete
object
Deletes a DNS record
6 properties 5 required
ContactAssignment
object
Reference to an existing or newly created contact
2 properties 1 required
PlatformOperationDnsRecordUpdate
object
Updates an existing DNS record
6 properties 5 required
ContactCreateRequestBody
object
Create a standalone contact that can be referenced by ID in domain registration and contact update operations.
10 properties 9 required
PlatformOperationContactCreate
object
Creates a new contact for use in domain registration or management
7 properties 5 required
PlatformOperationDomainDnsContactSet
object
Updates contact role assignments for the domain
6 properties 5 required
PlatformOperationDomainDnsSecurityDeleteDnssec
object
Removes DNSSEC DS records from the registry for a domain
6 properties 5 required
NonRegistrantContacts
object
Non-registrant contact role assignments (admin, billing, tech)
3 properties
PlatformOperationDomainFlagLockUpdate
object
Updates domain flag lock settings (e.g., transfer lock, delete lock)
6 properties 5 required
ContactResponse
object
14 properties 11 required
ErrorResponse
object
Standard error response
3 properties 1 required
ContactPurpose
string
PlatformOperationDomainRegister
object
Registers a new domain with the specified owner contact and optional role contacts
6 properties 5 required
PlatformOperationStatus
string
Status of a platform operation dependency
CiraLanguageCode
string
CIRA preferred language code
PlatformOperationDomainDnsSecurityUpdateZone
object
Updates the DNS zone configuration for DNSSEC signing
6 properties 5 required
ContactCreateOperationResponse
object
2 properties 2 required
PlatformOperationDnsRecordCreate
object
Creates a new DNS record for the domain
7 properties 5 required
ContactPhoneResponse
object
2 properties 2 required
OperationDependencyError
object
Error details for a failed operation dependency
2 properties 2 required
ContactPhoneRequestBody
object
Phone number with international dialing prefix.
2 properties 2 required
ContactsListResponse
object
4 properties
PlatformOperationWebhookDelete
object
Deletes a webhook subscription
6 properties 5 required
CiraCanadianPresenceRequirement
string
CIRA Canadian Presence Requirement category
PlatformOperationWebhookCreate
object
Creates a webhook subscription
7 properties 5 required
OperationCheckResponse
object
9 properties 7 required
DomainFlagLocks
object
Map of domain flag names to boolean lock values. Keys are DomainFlagType values.
DnsRecordType
string
ContactCreateResponse
object
3 properties
PlatformOperationDomainSetNameServers
object
Sets the nameservers for a domain (external nameservers or revert to UD-managed)
6 properties 5 required
DomainOwnerContactTldSpecificResponse
object
1 property
PlatformOperationDomainDnsSecuritySetDnssec
object
Configures DNSSEC DS records at the registry for a domain
6 properties 5 required
PlatformOperationDependency
A platform operation dependency. Discriminated by the type field — each type has its own parameters and result shape.
PlatformOperationDomainDnsRenew
object
Renews a domain for the specified period
6 properties 5 required
DomainContactCiraResponse
object
3 properties 3 required
WebhookType
string
ContactVerificationResponse
object
2 properties 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

unstoppable-domains-contacts-api-openapi.yml Raw ↑

Other APIs Unstoppable Domains publishes across the network.

Unstoppable Domains account API
Unstoppable Domains AI Lander API
Unstoppable Domains Backorders API
Unstoppable Domains Cart API
Unstoppable Domains DNS Management API
Unstoppable Domains dns-records API
Unstoppable Domains domain-contacts API
Unstoppable Domains domain-flags API
Unstoppable Domains domain-management API
Unstoppable Domains domain_registration API
Unstoppable Domains domain-search API
Unstoppable Domains domain-transfers API
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