API Reference

Base URL

Production: https://mainnet-node.like.co

Testnet: https://node.testnet.like.co

LCD API

Please refer to x/nft query definition and likenft query definition for most updated LCD API

Balance

queries the number of NFTs of a given class owned by the owner, same as balanceOf in ERC721

/cosmos/nft/v1beta1/balance/{owner}/{class_id}

Owner

queries the owner of the NFT based on its class and id, same as ownerOf in ERC721 /cosmos/nft/v1beta1/owner/{class_id}/{id}

Supply

queries the number of NFTs from the given class, same as totalSupply of ERC721. /cosmos/nft/v1beta1/supply/{class_id}

NFTs

queries all NFTs of a given class or owner, choose at least one of the two, similar to tokenByIndex in ERC721Enumerable

/cosmos/nft/v1beta1/nfts

NFT

queries an NFT based on its class and id.

/cosmos/nft/v1beta1/nfts/{class_id}/{id}

Class

queries an NFT class based on its id

/cosmos/nft/v1beta1/classes/{class_id}

Classes

queries all NFT classes

/cosmos/nft/v1beta1/classes

Indexer API

Pagination params:

Param	Example	Description
key		Key of the last item of previous response for pagination, should not be used with offset
limit		The size limit of response. Default & max: 100
reverse		Sorting order
offset		Offset of response, should not be used with key

Class API

/likechain/likenft/v1/class

Param	Example	Description
iscn_id_prefix		ISCN prefix of NFT class (if minted via ISCN)
account		Account of NFT class (if minted via account)
iscn_owner		Query classes owned via ISCN by an address
expand		expand NFT info

NFT API

/likechain/likenft/v1/nft

Param	Example	Description
owner		Owner address
expand_classes		Expand class information

Owner API

/likechain/likenft/v1/owner

Param	Example	Description
class_id		NFT Class ID

Event API

/likechain/likenft/v1/event

Param	Example	Description
class_id		NFT Class ID
nft_id		NFT ID
iscn_id_prefix		ISCN ID Prefix (if minted via ISCN)
verbose		Expand events
action_type	/cosmos.nft.v1beta1.MsgSend	Filter event by action
sender		Get all events sent by an address
receiver		Get all events received by an address
creator		Get all events of NFT Classes created (ISCN owner) by an address
involver		Get all events involving an address (sender OR receiver OR creator)
ignore_from_list		Ignore events sent from address
ignore_to_list		Ignore events sent to address

Ranking API

/likechain/likenft/v1/ranking

Request Params

Param	Example	Description
creator	like13f4glvg80zvfrrs7utft5p68pct4mcq7t5atf6	The current owner of the ISCN
collector	like1vymrc5dxlfwff30m03prwlu08ql4vudn4lue8u	The current owner of NFT
type	CreativeWork	The contentMetadata.@type field in ISCN
stakeholder_id	did:like:1w6es6du93xmhms60gwwtczr2p2h4cdm8r7kc0f	The stakeholders.entity.@id field in ISCN
stakeholder_name	kin	The stakeholders.entity.name field in ISCN
created_after	1659283200	Get NFT class created after this UNIX second timestamp
created_before	1659801600	Get NFT class created before this UNIX second timestamp
sold_after	1659283200	Rank NFT class base on sales after this UNIX second timestamp
sold_before	1659801600	Rank NFT class base on sales before this UNIX second timestamp
include_owner	true	Whether to include owner of ISCN when counting sold_count
ignore_list	like17m4vwrnhjmd20uu7tst7nv0kap6ee7js69jfrs	The addresses to ignore when counting sold count
order_by		total_sold_value/sold_count

Result is order by the number of NFTs not owned by creator nor ignore_list

Example Response

/likechain/likenft/v1/ranking?ignore_list=like17m4vwrnhjmd20uu7tst7nv0kap6ee7js69jfrs&limit=1

{
  "classes": [
    {
      "id": "likenft1yhsps5l8tmeuy9y7k0rjpx97cl67cjkjnzkycecw5xrvjjp6c5yqz0ttmc",
      "name": "Writing NFT - 分散式出版 DePub 的發展路徑，NFT 從移民到原住民",
      "description": "...",
      "symbol": "WRITING",
      "uri": "https://api.like.co/likernft/metadata?iscn_id=iscn%3A%2F%2Flikecoin-chain%2FIKI9PueuJiOsYvhN6z9jPJIm3UGMh17BQ3tEwEzslQo%2F3",
      "uri_hash": "",
      "config": {
        "burnable": false,
        "max_supply": "0",
        "blind_box_config": null
      },
      "metadata": {
        "url": "https://ckxpress.com/nft-immigrant-to-native/",
        "name": "分散式出版 DePub 的發展路徑，NFT 從移民到原住民",
        "@type": "Article",
        "image": "ar://_GJD1gNuIqXicYNWce__4B8Qqg5tN8FBRSUCXR8kuJE",
        "version": 1,
        "@context": "http://schema.org/",
        "keywords": "DePub,LikeCoin,nft,Numbers",
        "usageInfo": "",
        "description": "...",
        "nft_meta_collection_id": "likerland_writing_nft",
        "nft_meta_collection_name": "Writing NFT",
        "nft_meta_collection_descrption": "Writing NFT by Liker Land"
      },
      "parent": {
        "type": "ISCN",
        "iscn_id_prefix": "iscn://likecoin-chain/IKI9PueuJiOsYvhN6z9jPJIm3UGMh17BQ3tEwEzslQo",
        "account": ""
      },
      "price": 0,
      "created_at": "2022-08-01T06:33:21Z",
      "sold_count": 171
    }
  ],
  "pagination": {
    "count": 1
  }
}

Note: Currently only like.co API can report the latest price. price in the response is always 0. Please refer to like.co API documentation for price information

---

Social Graph API

Get Collectors

/likechain/likenft/v1/collector

Param	Example	Description
creator	like13f4glvg80zvfrrs7utft5p68pct4mcq7t5atf6	Required. Account address of ISCN owner
ignore_list		The addresses to ignore
include_owner		Whether to include owner of ISCN
price_by		class/nft
order_by		price/count

Get Creators

/likechain/likenft/v1/creator

Param	Example	Description
collector	like13f4glvg80zvfrrs7utft5p68pct4mcq7t5atf6	Required. Account address of NFT owner
ignore_list		The addresses to ignore
include_owner		Whether to include owner of ISCN
price_by		class/nft
order_by		price/count

Result is order by count of NFT collections.

Example Response

/likechain/likenft/v1/collector?creator=like13f4glvg80zvfrrs7utft5p68pct4mcq7t5atf6

{
  "collectors": [
    {
      "account": "like17m4vwrnhjmd20uu7tst7nv0kap6ee7js69jfrs",             // The like.co NFT sales API wallet
      "count": 2928,
      "collections": [
        {
          "iscn_id_prefix": "iscn://likecoin-chain/IKI9PueuJiOsYvhN6z9jPJIm3UGMh17BQ3tEwEzslQo",
          "class_id": "likenft1yhsps5l8tmeuy9y7k0rjpx97cl67cjkjnzkycecw5xrvjjp6c5yqz0ttmc",
          "count": 443
        },
        {
          "iscn_id_prefix": "iscn://likecoin-chain/IKI9PueuJiOsYvhN6z9jPJIm3UGMh17BQ3tEwEzslQo",
          "class_id": "likenft1yzdfkf4fjjekqjmxen0czy5eyufapfrx5y3nd6d7wd6hmyy6zt3sk7ak4z",
          "count": 500
        },
        {
          "iscn_id_prefix": "iscn://likecoin-chain/OImbeoC6JTlEJrjVOJXAj4rF5uS04vuRGbittFGyQbc",
          "class_id": "likenft1h9efvdvj5m275w8sr2u0jsme2xlmpfexjp802ckda3fvuncw95tsnq2c7u",
          "count": 492
        },
        {
          "iscn_id_prefix": "iscn://likecoin-chain/Tz4l66fBAgEMk5IyEJ4_N0FBj2NjLCse3Uqnm8VxR-8",
          "class_id": "likenft1g0652jc6fns73r5ru6pwp6djp99975em576px88wxau7hrmn2d5qf06zs4",
          "count": 500
        },
        {
          "iscn_id_prefix": "iscn://likecoin-chain/Tz4l66fBAgEMk5IyEJ4_N0FBj2NjLCse3Uqnm8VxR-8",
          "class_id": "likenft1yhxut65wavj2jykq07xtm66dnmn75dm5y0tgq8f49azs3lff7ngqrw7kv6",
          "count": 500
        },
        {
          "iscn_id_prefix": "iscn://likecoin-chain/Tz4l66fBAgEMk5IyEJ4_N0FBj2NjLCse3Uqnm8VxR-8",
          "class_id": "likenft1ztyc5usfn36r2uuza86waa7xn9j7r8xjzagtpcesj3p2t7mmj9kssqlxwe",
          "count": 493
        }
      ]
    },
    {
      "account": "like126qel5qhcxnxy2nd0s43pjp2aqujnp60jeg27l",
      "count": 3,
      "collections": [
        {
          "iscn_id_prefix": "iscn://likecoin-chain/IKI9PueuJiOsYvhN6z9jPJIm3UGMh17BQ3tEwEzslQo",
          "class_id": "likenft1yhsps5l8tmeuy9y7k0rjpx97cl67cjkjnzkycecw5xrvjjp6c5yqz0ttmc",
          "count": 1
        },
        {
          "iscn_id_prefix": "iscn://likecoin-chain/OImbeoC6JTlEJrjVOJXAj4rF5uS04vuRGbittFGyQbc",
          "class_id": "likenft1h9efvdvj5m275w8sr2u0jsme2xlmpfexjp802ckda3fvuncw95tsnq2c7u",
          "count": 1
        },
        {
          "iscn_id_prefix": "iscn://likecoin-chain/Tz4l66fBAgEMk5IyEJ4_N0FBj2NjLCse3Uqnm8VxR-8",
          "class_id": "likenft1ztyc5usfn36r2uuza86waa7xn9j7r8xjzagtpcesj3p2t7mmj9kssqlxwe",
          "count": 1
        }
      ]
    },
    {
      "account": "like18q3dzavq7c6njw92344rf8ejpyqxqwzvhz9th5",
      "count": 3,
      "collections": [
        {
          "iscn_id_prefix": "iscn://likecoin-chain/IKI9PueuJiOsYvhN6z9jPJIm3UGMh17BQ3tEwEzslQo",
          "class_id": "likenft1yhsps5l8tmeuy9y7k0rjpx97cl67cjkjnzkycecw5xrvjjp6c5yqz0ttmc",
          "count": 3
        }
      ]
    }
  ],
  "pagination": {
    "count": 3
  }
}

Example UI

https://likecoin.github.io/likecoin-nft-dashboard/

source code