Unstoppable Domains Search API

Search for owned entities

Operations 1

GET /search/owners/domains Search for owned domains by one or more addresses #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/unstoppable-domains-search-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

unstoppable-domains-search-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Web3 Partner API v3 Search API
  version: 3.0.0
  contact:
    name: Unstoppable Domains (Partner Engineering)
    email: partnerengineering@unstoppabledomains.com
  description: '# Feature Overview

    The Web3 Partner API v3 provides you with the ability to lookup, register and manage Web3 domains.'
servers:
- url: https://api.unstoppabledomains.com/partner/v3
  description: Production
- url: https://api.ud-sandbox.com/partner/v3
  description: Sandbox
security:
- bearer: []
tags:
- name: Search
  x-displayName: Search
  description: Search for owned entities
paths:
  /search/owners/domains:
    get:
      operationId: getOwnersDomains
      summary: Search for owned domains by one or more addresses
      parameters:
      - name: $expand
        required: false
        in: query
        schema:
          type: array
          description: Use `$expand` options to conditionally include portions of the response
          items:
            type: string
            enum:
            - records
            - registration
            - owner
            - availability
      - name: owner.address
        required: true
        in: query
        description: Addresses to search by
        schema:
          type: array
          items:
            type: string
      - name: $cursor
        required: false
        description: The `next.$cursor` value from the previous page response
        in: query
        schema:
          type: string
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DomainSearchListResponse'
      tags:
      - Search
components:
  schemas:
    DomainSearchListResponse:
      type: object
      properties:
        '@type':
          type: string
          enum:
          - unstoppabledomains.com/partner.v3.CursorList
        items:
          type: array
          items:
            $ref: '#/components/schemas/MinimalDomainSearchResponse'
        next:
          oneOf:
          - type: 'null'
          - $ref: '#/components/schemas/CursorListResponseNext'
      required:
      - '@type'
      - items
      - next
    DomainAvailabilityStatus:
      type: string
      enum:
      - AVAILABLE
      - AVAILABLE_FROM_ISSUER
      - REGISTERED
      - PROTECTED
      - COMING_SOON
      - DISALLOWED
      - RESERVED
      - EXCEEDS_PRICE_LIMIT
      description: "- `AVAILABLE`: Domain is available for registering\n- `AVAILABLE_FROM_ISSUER`: Domain is available for registering from an external issuer. \n  - This status is deprecated as it is only relevant to subdomains that have a verified, self-custodied parent domain\n- `EXCEEDS_PRICE_LIMIT`: Domain is available for registering, but exceeds the price limit on your account.\n  - In this situation you can contact your AM to facilitate a private sale or use our [Affiliate Program](https://unstoppabledomains.com/affiliate-registration) to refer users to our website for checkout  \n- `REGISTERED`: Domain belongs to an owner and is not available for registering\n- `PROTECTED`: Domain is being protected by Unstoppable Domains and is not available for general registering\n- `RESERVED`: Domain is being reserved by Unstoppable Domains and is not available for general registering\n- `COMING_SOON`: Domain is temporarily unavailable but will be available in the future\n- `DISALLOWED`: Domain is currently not allowed to be registered\n"
    EvmOwnerAddress:
      type: string
      example: '0xb4783AeF93923a2d4eEA29C84f347F26E62e4321'
      pattern: ^0x[a-fA-F0-9]{40}$
    DomainPriceItemResponse:
      type: object
      properties:
        usdCents:
          type: number
          example: 1000
      required:
      - usdCents
    DomainAvailabilityResponse:
      type: object
      properties:
        status:
          $ref: '#/components/schemas/DomainAvailabilityStatus'
        price:
          $ref: '#/components/schemas/DomainPriceResponse'
        issuer:
          $ref: '#/components/schemas/DomainOwnerResponse'
      required:
      - status
    MinimalDomainSearchResponse:
      type: object
      properties:
        '@type':
          type: string
          enum:
          - unstoppabledomains.com/partner.v3.DomainMinimal
        name:
          type: string
        blockchain:
          type: string
          enum:
          - MATIC
          - ETH
          - ZIL
        owner:
          oneOf:
          - type: 'null'
          - $ref: '#/components/schemas/DomainOwnerResponse'
        availability:
          oneOf:
          - type: 'null'
          - $ref: '#/components/schemas/DomainAvailabilityResponse'
        registration:
          oneOf:
          - type: 'null'
          - $ref: '#/components/schemas/DomainRegistrationResponse'
        records:
          oneOf:
          - type: 'null'
          - $ref: '#/components/schemas/DomainRecords'
      required:
      - '@type'
      - name
    DomainPriceType:
      type: string
      enum:
      - STANDARD
      - PREMIUM
      - DEFERRED
      description: "- `STANDARD`: Domain is priced using the default, standard pricing algorithm\n- `PREMIUM`: Domain is considered premium by the registry and pricing may differ from the standard pricing\n- `DEFERRED`: Domain pricing is not available and an additional request is needed to determine pricing. \n  - This can be a limitation of the bulk domain searches due to constraints with checking prices for some registries\n  - When requesting a single domain the price will always be included (if available) and this status will not be returned\n"
    DomainRecords:
      type: object
      additionalProperties:
        type: string
      example:
        crypto.ETH.address: '0xb4783AeF93923a2d4eEA29C84f347F26E62e4321'
        crypto.MATIC.version.MATIC.address: '0xb4783AeF93923a2d4eEA29C84f347F26E62e5678'
        crypto.MATIC.version.ERC20.address: '0xb4783AeF93923a2d4eEA29C84f347F26E62e0921'
    DomainPriceResponse:
      type: object
      properties:
        type:
          $ref: '#/components/schemas/DomainPriceType'
        listPrice:
          $ref: '#/components/schemas/DomainPriceItemResponse'
        subTotal:
          $ref: '#/components/schemas/DomainPriceItemResponse'
      required:
      - type
      - listPrice
      - subTotal
    OwnerAddress:
      oneOf:
      - $ref: '#/components/schemas/EvmOwnerAddress'
    OwnerType:
      type: string
      enum:
      - NONE
      - UD
      - SELF
      - EXTERNAL
      description: '- `NONE`: Domain is not currently owned by anyone

        - `UD`: Domain is owned by a wallet/contract that belongs to Unstoppable Domains

        - `SELF`: Domain is owned by your account. You can manage this domains through the API

        - `EXTERNAL`: Owner doesn''t qualify as any of the above.

        '
    DomainOwnerResponse:
      type: object
      properties:
        type:
          $ref: '#/components/schemas/OwnerType'
        address:
          $ref: '#/components/schemas/OwnerAddress'
      required:
      - type
    CursorListResponseNext:
      type: object
      properties:
        $cursor:
          oneOf:
          - type: string
          - type: 'null'
      required:
      - $cursor
    DomainRegistrationResponse:
      type: object
      properties:
        tokenId:
          type: string
        tokenType:
          type: string
          enum:
          - ERC721
          - ERC1155
      required:
      - tokenId
  securitySchemes:
    bearer:
      type: http
      scheme: bearer
      bearerFormat: JWT