Metadata

The metadata APIs provide users to make preparations for creating NFTs including creating NFT metadata and the corresponding query functions.

Create NFT Metadata

Create NFT metadata API helps users to create their own metadata after calling Upload File to get the corresponding file url. To call Create NFT metadata , users have to provide the metadata information including name, file, external_link and so on.

Error with https://824600799-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3Ln5WTo00HxQnwIT1nSu%2Fuploads%2Fgit-blob-b7eb9a491644b192bf198732c032444b2d93114f%2Fswagger.json?alt=media: Failed to convert Swagger 2.0 to OpenAPI 3.0: Operation DeployContract has multiple requestBodies

Auth

Name	Meaning	Param Type	Data Type
Authorization	Bearer Token	Header	string

Parameters

Name	Meaning	Param Type	Data Type	Required
name	The name of the metadata	body	string
image	The file url of the metadata	body	string
external_link	The externanl link of the metadata	body	string
description	The description of the metadata	body	string
animation_url	A URL to a multi-media attachment for the item. The file extensions GLTF, GLB, WEBM, MP4, M4V, OGV, and OGG are supported, along with the audio-only extensions MP3, WAV, and OGA.	body	string
attributes	The attributes of the metadata	array	attribute

The struct of the MetadataAttribute is listed as bellow.

Name	Meaning	Param Type	Type	Required
attribute_name	The name of the attribute	body	string
display_type	The display type of the attribute	body	string
trait_type	The trait type of the attribute	body	string
value	The value of the attribute	body	string

Parameter Example

{
  "attributes": [
    {
      "attribute_name": "mouse",
      "display_type": "test hey hey",
      "trait_type": "big",
      "value": "big"
    }
  ],
  "description": "this is a test metadata",
  "image": "http://dev.nftrainbow/assets/file/1/nft/67c96aee8ee1293594a4b4ded15c60ea7853e49c0a2eb41a4805a01a70bc3111.jpeg",
  "name": "test",
  "external_link": "https://www.google.com/search",
  "animation_url": "https://www.google.com/search"
}

Responses

Name	Meaning	Type
uri	The uri of the metadata	string
metadata_id	The id of the metadata	string
description	The description of the metadata	string
external_link	The external link of the metadata	string
image	The file url of the metadata	string
metadata_id	The id of the metadata	string
name	The name of the metadata	string
animation_url	A URL to a multi-media attachment for the item. The file extensions GLTF, GLB, WEBM, MP4, M4V, OGV, and OGG are supported, along with the audio-only extensions MP3, WAV, and OGA.	string
attributes	The attribute of the metadata	[]ExposedMetadataAttribute

The ExposedMetadataAttribute struct is listed as follow:

Name	Meaning	Type
attribute_name	The name of the attribute	string
display_type	The display type of the attribut	string
trait_type	The trait type of the attribute	string
value	The value of the attribute	string

Response Example

{
  "attributes": [
    {
      "attribute_name": "mouse",
      "display_type": "test hey hey",
      "trait_type": "big",
      "value": "big"
    }
  ],
  "description": "this is a test metadata",
  "metadata_id": "f35c25ced3f537e8850a377c01d22aa7507069270054d12587ddbe5fc47ec490",
  "image": "http://dev.nftrainbow/assets/file/1/nft/67c96aee8ee1293594a4b4ded15c60ea7853e49c0a2eb41a4805a01a70bc3111.jpeg",
  "name": "test",
  "external_link": "https://www.google.com/search",
  "animation_url": "https://www.google.com/search",
  "uri": "https://dev.nftrainbow.cn/assets/metadata/2/nft/db2078aed6187e487a46a19624ba1559faddeb096849c4688347302023c40f6b.json"
}

Request Sample

curl --request POST
--url https://api.nftrainbow.cn/v1/metadata/ \
--header 'Authorization: Bearer {JWT}' \
--header 'Content-Type: application/json' \
--data-raw '{
  "attributes": [
    {
      "attribute_name": "mouse",
      "display_type": "test hey hey",
      "trait_type": "big",
      "value": "big"
    }
  ],
  "description": "this is a test metadata",
  "image": "https://www.google.com/search",
  "external_link": "https://www.google.com/search",
   "animation_url": "https://www.google.com/search",
  "name": "test"
}

Query Metadata

Query metadata API helps users to query the detailed information of the specified metadata according to metadata_id. This api returns the name, description, external link, file and attributes of the queried metada.

Error with https://824600799-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3Ln5WTo00HxQnwIT1nSu%2Fuploads%2Fgit-blob-b7eb9a491644b192bf198732c032444b2d93114f%2Fswagger.json?alt=media: Failed to convert Swagger 2.0 to OpenAPI 3.0: Operation DeployContract has multiple requestBodies

Auth

Name	Meaning	Param Type	Data Type
Authorization	Bearer Token	Header	string

Parameters

Name	Meaning	Param Type	Data Type	Required
metadata_id	The id of the metadata	Path	Integer

Response

Name	Meaning	Data Type
attributes	The attribute of the metadata	[]ExposedMetadataAttribute
description	The description of the metadata	string
external_link	The external link of the metadata	string
animation_url	A URL to a multi-media attachment for the item. The file extensions GLTF, GLB, WEBM, MP4, M4V, OGV, and OGG are supported, along with the audio-only extensions MP3, WAV, and OGA.	string
image	The file url of the metadata	string
metadata_id	The id of the metadata	string
name	The name of the metadata	string

The ExposedMetadataAttribute struct is listed as follow:

Name	Meaning	Type
attribute_name	The name of the attribute	string
display_type	The display type of the attribut	string
trait_type	The trait type of the attribute	string
value	The value of the attribute	string

Response Example

{
  "attributes": [
    {
      "attribute_name": "mouse",
      "display_type": "test hey hey",
      "trait_type": "big",
      "value": "big"
    }
  ],
  "description": "this is a test metadata",
  "external_link": "https://www.google.com/search",
  "animation_url": "https://www.google.com/search",
  "metadata_id": "f35c25ced3f537e8850a377c01d22aa7507069270054d12587ddbe5fc47ec490",
  "image": "http://dev.nftrainbow/assets/file/1/nft/67c96aee8ee1293594a4b4ded15c60ea7853e49c0a2eb41a4805a01a70bc3111.jpeg",
  "name": "test",
  "uri": "https://dev.nftrainbow.cn/assets/metadata/2/nft/db2078aed6187e487a46a19624ba1559faddeb096849c4688347302023c40f6b.json"
}

Request Sample

curl --request GET \
  --url https://dev.nftrainbow/v1/metadata/:metadata_id \
  --header 'Authorization: 'Bearer {JWT}' \
  --header 'Content-Type: application/json'

Obtain Metadata List

Query metadata list API helps users to obain the metadata list including the information of the metadata created in the specified app. This API returns the array of the result from calling Query matadata.

Error with https://824600799-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3Ln5WTo00HxQnwIT1nSu%2Fuploads%2Fgit-blob-b7eb9a491644b192bf198732c032444b2d93114f%2Fswagger.json?alt=media: Failed to convert Swagger 2.0 to OpenAPI 3.0: Operation DeployContract has multiple requestBodies

Auth

Name	Meaning	Param Type	Data Type
Authorization	Bearer Token	Header	string

Parameters

Name	Meaning	Param Type	Data Type	Required	Default
page	Page Query	query	integer		1
limit	Page Query	query	integer		10

Response

Name	Meaning	Type
count	The number of the uploaded files	integer
items	The files information	[]QueryMetadataRsponse

The QueryMetadataResponse struct is listed as follow:

Name	Meaning	Data Type
attributes	The attribute of the	[]attributes
description	The description of the metadata	string
external_link	The external link of the metadata	string
animation_url	A URL to a multi-media attachment for the item. The file extensions GLTF, GLB, WEBM, MP4, M4V, OGV, and OGG are supported, along with the audio-only extensions MP3, WAV, and OGA.	string
image	The file url of the metadata	string
metadata_id	The id of the metadata	string
name	The name of the metadata	string

The attributes struct is listed as follow:

Name	Meaning	Type
attribute_name	The name of the attribute	string
display_type	The display type of the attribut	string
trait_type	The trait type of the attribute	string
value	The value of the attribute	string

Response Example

{
        "count": 1,
        "items": [
            {
                "metadata": {
                    "name": "test",
                    "description": "this is a test metadata",
                    "metadata_id": "f35c25ced3f537e8850a377c01d22aa7507069270054d12587ddbe5fc47ec490",
                    "image": "http://dev.nftrainbow/assets/file/1/nft/67c96aee8ee1293594a4b4ded15c60ea7853e49c0a2eb41a4805a01a70bc3111.jpeg",
                    "external_link": "https://www.google.com/search",
                    "animation_url": "https://www.google.com/search",
                    "attributes": [
                        {
                            "attribute_name": "eyes",
                            "trait_type": "test trait",
                            "display_type": "",
                            "value": "big"
                        },
                        {
                            "attribute_name": "mouse",
                            "trait_type": "test hey hey",
                            "display_type": "",
                            "value": "big"
                        }
                    ]
                },
                "uri": "http://dev.nftrainbow/assets/metadata/1/nft/46708cf66a806743cfc27b110a41a2ea2e1b7a47fbcfb2efc9cac8fd3bf29cd1.json"
            }
        ]
}

Request Sample

curl --request GET \
  --url https://api.nftrainbow.cn/v1/metadata/ \
  --header 'Authorization: Bearer {JWT}' \
  --header 'Content-Type: application/json'