D3 API

D3 API Overview

D3 API allow for a fully custom integration of D3 features directly into your application. The API exposes an interface for interacting with Web3 Name Tokens on the D3 registry and allows searching, purchasing and minting, and more.

Getting Started

Demo App
Sample Source Code (See our github repository for an example app built using our APIs)
Detailed Steps 👇

Swagger for these APIs can also be viewed at https://api-public.d3.app/swagger#/

Search name tokens returning availability and pricing

get

Provides search, combining availability information and pricing, both in native token and USD.

Authorizations

Query parameters

limitany · min: 1 · max: 100Optional

Number of records to return for pagination.

Default: 25

skipanyOptional

Number of records to skip for pagination.

Default: 0

tldstringOptional

Top-level domain (TLD) of the name token to search for (comma separated list). Leave empty to search all available TLDs.

Example: com

sldstringRequired

Second-level domain (SLD) of the name token to search for (comma separated list)

Example: example

Responses

200Success

application/json

401

Unauthorized. API Key is missing or invalid.

403

Forbidden. API Key is missing SEARCH permission.

get

GET /v1/partner/search?sld=example HTTP/1.1
Host: 
Api-Key: YOUR_API_KEY
Accept: */*

{
  "total": 100,
  "pageItems": [
    {
      "sld": "example",
      "tld": "com",
      "status": "available",
      "isListed": true,
      "registrationExpiresAt": "2025-05-15T00:00:00.000Z",
      "reservationExpiresAt": "2025-05-15T00:00:00.000Z",
      "registryUsdPrice": "9.99",
      "registryNativePrice": "1.23456",
      "listNativePrice": "1.23456",
      "listUsdPrice": "1.23456",
      "nativeCurrency": "ETH",
      "clickUrl": "https://d3.app/search?sld=example&product=example.com&partner=com&utm_source=developer&utm_medium=api",
      "lockExpiresAt": "2025-05-15T00:00:00.000Z"
    }
  ]
}

Get name recommendations

get

Returns name recommendations based on the provided SLDs and TLDs

Authorizations

Query parameters

tldstringOptional

Top-level domain (TLD) of the name token to recommend (comma separated list). Leave empty to recommend all available TLDs.

Example: com

sldstringRequired

Second-level domain (SLD) of the name token to recommend (comma separated list). Maximum of 5 SLDs allowed.

Example: example

Responses

200

Successful name recommendations

application/json

400

Invalid TLDs or other request issues

403

Forbidden. API Key is missing necessary permissions.

get

GET /v1/partner/recommendations?sld=text HTTP/1.1
Host: 
Api-Key: YOUR_API_KEY
Accept: */*

[
  {
    "sld": "example",
    "tld": "com",
    "status": "available",
    "isListed": true,
    "registrationExpiresAt": "2025-05-15T00:00:00.000Z",
    "reservationExpiresAt": "2025-05-15T00:00:00.000Z",
    "usdPrice": "9.99",
    "nativeAmount": "1.23456",
    "nativeCurrency": "ETH",
    "clickUrl": "https://d3.app/search?sld=example&product=example.com&partner=com&utm_source=developer&utm_medium=api",
    "lockExpiresAt": "2025-05-15T00:00:00.000Z"
  }
]

Mint a name token

post

Accepts mint name request. Only allows minting of non-premium name tokens (requires NON_PREMIUM_MINT permission).Token is not minted immediately but is scheduled for minting. Mint status could be checked using token status endpoint.

Authorizations

Body

sldstringRequired

Second-level domain (SLD) of the name to mint.

Example: example

tldstringRequired

Top-level domain (TLD) of the name to mint.

Example: com

userall ofRequired

User information required to mint the name.

Responses

202Success

application/json

400

Bad Request. Unable to mint the requested name token.

401

Unauthorized. API Key is missing or invalid.

403

Forbidden. API Key is missing NON_PREMIUM_MINT permission.

409

Conflict. Name token is already minted.

post

POST /v1/partner/mint HTTP/1.1
Host: 
Api-Key: YOUR_API_KEY
Content-Type: application/json
Accept: */*
Content-Length: 119

{
  "sld": "example",
  "tld": "com",
  "user": {
    "wallet": "0x2E7cC63800e77BB8c662c45Ef33D1cCc23861532",
    "email": "[email protected]"
  }
}

{
  "tokenId": "20719405654568256184282804044567699961418926341258048728655171573148113774124",
  "contractAddress": "0x4F3775dfd49db0BBcd47eB6f45CEb6E6E9e15CD8",
  "chainId": "1"
}

Get supported payment methods for name tokens

get

Returns the supported payment options (contract and token addresses) for the provided TLDs.

Authorizations

Query parameters

tldstringOptional

Top-level domain (TLD) of the name token to fetch payment options (comma separated list). Leave empty to fetch for all available TLDs.

Example: com

Responses

200

Returns payment options for name tokens.

application/json

401

Unauthorized. API Key is missing or invalid.

403

Forbidden. API Key is missing PURCHASE permission.

get

GET /v1/partner/payment/options HTTP/1.1
Host: 
Api-Key: YOUR_API_KEY
Accept: */*

{
  "options": [
    {
      "chainId": "1",
      "chainName": "Ethereum",
      "addressType": "EVM",
      "contractAddress": "0x46A7bEA3dBb87522834c8b24FA14D051893deE8a",
      "tokenAddress": "0x0000000000000000000000000000000000000000",
      "symbol": "BTC",
      "icon": "https://cdn.d3.app/assets/tokens/token_image_BTC.png",
      "price": "0.3983550997142373"
    }
  ]
}

Create a partner order for name token purchase

post

Creates a new order for name token purchase. The response includes a payment voucher and details necessary to complete the purchase.

Authorizations

Body

paymentOptionsall ofRequired

The payment options for the transaction

Responses

201

The order has been successfully created.

application/json

400

Bad Request. Some names are not available for purchase.

403

Forbidden. API Key is missing necessary permissions.

post

POST /v1/partner/order HTTP/1.1
Host: 
Api-Key: YOUR_API_KEY
Content-Type: application/json
Accept: */*
Content-Length: 280

{
  "paymentOptions": {
    "contractAddress": "0x46A7bEA3dBb87522834c8b24FA14D051893deE8a",
    "tokenAddress": "0x0000000000000000000000000000000000000000",
    "buyerAddress": "0x65d90DBa570408f8D512c91556d8E405acd99EE2"
  },
  "names": [
    {
      "sld": "example1",
      "tld": "shib",
      "autoRenew": false,
      "domainLength": 1
    }
  ]
}

{
  "voucher": {
    "buyer": "0x0FB3F00e792F17B7D45611932ac72FcD4cdFfE6E",
    "token": "0x0000000000000000000000000000000000000000",
    "amount": "23295578965024017037",
    "voucherExpiration": 1727104758,
    "paymentId": "47cbbdaa-0a3c-4e80-94e9-139415e86fdd",
    "orderId": "3434-3675-5844-7264",
    "names": [
      {
        "registry": "0x4F3775dfd49db0BBcd47eB6f45CEb6E6E9e15CD8",
        "label": "example",
        "tld": "tst",
        "expirationTime": 1758585600,
        "owner": "0x0FB3F00e792F17B7D45611932ac72FcD4cdFfE6E",
        "renewal": false
      }
    ]
  },
  "signature": "0x57235cf3bc5d305cc1dc4b040ae3b1dd34ade899ecc97d33e2167346c05f217348f80012d8081bdfaeed3f02a81e12483fdf12afd6715f5c5c1f322c390defc61c"
}

Get name token metadata

get

Returns metadata and registration status of a name token.

Authorizations

Path parameters

tldanyRequired

Top-level domain (TLD) of the name token.

Example: com

sldanyRequired

Second-level domain (SLD) of the name token.

Example: example

Responses

200Success

application/json

400

Bad Request. Wrong SLD or TLD format.

401

Unauthorized. API Key is missing or invalid.

403

Forbidden. API Key is missing NON_PREMIUM_MINT permission.

404

Not Found. Name token is not registered and mint is not in progress.

get

GET /v1/partner/token/{sld}/{tld} HTTP/1.1
Host: 
Api-Key: YOUR_API_KEY
Accept: */*

{
  "status": "registered",
  "sld": "example",
  "tld": "com",
  "expirationDate": "2025-05-15T00:00:00.000Z",
  "owner": "0x2E7cC63800e77BB8c662c45Ef33D1cCc23861532",
  "tokenId": "20719405654568256184282804044567699961418926341258048728655171573148113774124",
  "contractAddress": "0x4F3775dfd49db0BBcd47eB6f45CEb6E6E9e15CD8",
  "chainId": "1",
  "txHash": "2sXoUFPpgFXRKiAXYUWkwtAEQd46azUEFwoebcYQbN6s",
  "imageURL": "https://cdn.d3.app/tokens/1234567890abcdf123467890.png"
}

Get name token metadata by token ID

get

Returns metadata of a name token by token ID.

Authorizations

Path parameters

chainIdstringRequired

Chain ID of the blockchain network.

Example: 1

contractAddressstringRequired

NFT Smart Contract address.

Example: 0x4F3775dfd49db0BBcd47eB6f45CEb6E6E9e15CD8

tokenIdstringRequired

Minted Token ID.

Example: 20719405654568256184282804044567699961418926341258048728655171573148113774124

Responses

200Success

application/json

401

Unauthorized. API Key is missing or invalid.

403

Forbidden. API Key is missing SEARCH permission.

404

Not Found. Name token does not exist for this contract on this chain or contract not found.

get

GET /v1/partner/token/{chainId}/{contractAddress}/{tokenId} HTTP/1.1
Host: 
Api-Key: YOUR_API_KEY
Accept: */*

{
  "status": "registered",
  "sld": "example",
  "tld": "com",
  "expirationDate": "2025-05-15T00:00:00.000Z",
  "owner": "0x2E7cC63800e77BB8c662c45Ef33D1cCc23861532",
  "tokenId": "20719405654568256184282804044567699961418926341258048728655171573148113774124",
  "contractAddress": "0x4F3775dfd49db0BBcd47eB6f45CEb6E6E9e15CD8",
  "chainId": "1",
  "txHash": "2sXoUFPpgFXRKiAXYUWkwtAEQd46azUEFwoebcYQbN6s",
  "imageURL": "https://cdn.d3.app/tokens/1234567890abcdf123467890.png"
}

Get name token metadata by multiple token IDs at once

post

Returns metadata of multiple name tokens by their token IDs.

Authorizations

Path parameters

chainIdstringRequired

Chain ID of the blockchain network.

Example: 1

contractAddressstringRequired

NFT Smart Contract address.

Example: 0x4F3775dfd49db0BBcd47eB6f45CEb6E6E9e15CD8

Body

tokenIdsstring[]Required

List of token ids to lookup for

Responses

200Success

application/json

400

Bad Request. Wrong address or address type format.

401

Unauthorized. API Key is missing or invalid.

403

Forbidden. API Key is missing SEARCH permission.

404

Not Found. Chain or Contract not found.

post

POST /v1/partner/tokens/{chainId}/{contractAddress} HTTP/1.1
Host: 
Api-Key: YOUR_API_KEY
Content-Type: application/json
Accept: */*
Content-Length: 21

{
  "tokenIds": [
    "text"
  ]
}

[
  {
    "status": "registered",
    "sld": "example",
    "tld": "com",
    "expirationDate": "2025-05-15T00:00:00.000Z",
    "owner": "0x2E7cC63800e77BB8c662c45Ef33D1cCc23861532",
    "tokenId": "20719405654568256184282804044567699961418926341258048728655171573148113774124",
    "contractAddress": "0x4F3775dfd49db0BBcd47eB6f45CEb6E6E9e15CD8",
    "chainId": "1",
    "txHash": "2sXoUFPpgFXRKiAXYUWkwtAEQd46azUEFwoebcYQbN6s",
    "imageURL": "https://cdn.d3.app/tokens/1234567890abcdf123467890.png"
  }
]

Get name tokens for a wallet address

get

Returns registered name tokens for a wallet address

Authorizations

Path parameters

addressanyRequired

Wallet address.

Example: 0x2E7cC63800e77BB8c662c45Ef33D1cCc23861532

addressTypestring · enumRequired

Wallet address type.

Example: EVMPossible values:

Query parameters

limitany · min: 1 · max: 100Optional

Number of records to return for pagination.

Default: 25Example: 100

skipanyOptional

Number of records to skip for pagination.

Default: 0Example: 0

Responses

200Success

application/json

400

Bad Request. Wrong address or address type format.

401

Unauthorized. API Key is missing or invalid.

403

Forbidden. API Key is missing SEARCH permission.

get

GET /v1/partner/tokens/{addressType}/{address} HTTP/1.1
Host: 
Api-Key: YOUR_API_KEY
Accept: */*

{
  "total": 42,
  "pageItems": [
    {
      "sld": "example",
      "tld": "com",
      "expirationDate": "2025-05-15T00:00:00.000Z",
      "tokenId": "20719405654568256184282804044567699961418926341258048728655171573148113774124",
      "contractAddress": "0x4F3775dfd49db0BBcd47eB6f45CEb6E6E9e15CD8",
      "chainId": "1"
    }
  ]
}

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