---
updatedAt: 2025-06-25T21:53:29.000Z
agentTools:
  projectIndex: https://docs.nftgo.io/llms.txt
---

# Collection model

The NFTGo API returns information on the collection an NFT is associated with. The following are the fields included for the collection model (appearing inline as a field on the NFT model). Currently the NFTGo API includes collections found on NFTGo.

| Field                  | Type        | Description                                                                                                                                 |
| ---------------------- | ----------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
| blockchain             | string      | Name of the blockchain                                                                                                                      |
| name                   | string      | Name of collection                                                                                                                          |
| slug                   | string      | A slug is generated from a collection name by applying lower-case to all letters in the collection name and replacing all spaces with a '-' |
| opensea\_slug          | string      | Opensea slug is generated from the corresponding opensea url link                                                                           |
| description            | string      | Description of collection                                                                                                                   |
| official\_website\_url | string(uri) | Official website url of collection                                                                                                          |
| opensea\_url           | string      | Opensea url of collection                                                                                                                   |
| logo                   | string      | Logo url or base64 encoded data of a collection                                                                                             |
| contracts              | \[string]   | List of contract addresses which belong to a collection                                                                                     |
| contract\_type         | string      | Type of contract: `ERC721` or `ERC1155`                                                                                                     |
| categories             | \[string]   | List of categories                                                                                                                          |
| discord\_url           | string      | Discord url of a collection                                                                                                                 |
| instagram\_url         | string      | Instagram url of a collection                                                                                                               |
| twitter\_url           | string      | Twitter url of a collection                                                                                                                 |
| telegram\_url          | string      | Telegram url of a collection                                                                                                                |
| has\_rarity            | boolean     | Whether the collection has rarity rankings                                                                                                  |
| last\_updated          | integer     | Last updated timestamp in seconds                                                                                                           |