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Replace:
  • <QUICKNODE_URL>: Set to your own quicknode RPC URL
  • <collectionId>: the ID or slug of the collection you want information for
curl -i '<QUICKNODE_URL>' -X POST -H 'content-type: application/json' --data-binary '{
    "jsonrpc": "2.0",
    "method": "cm_getCollection",
    "params": [
      "<collectionId>"
    ]
  }'

​
Parameters

IndexNameTypeDescription
0collectionIdstringthe ID which serves as the “name” of the collection; use “default-solana” or “default-polygon” for your default collections on each chain.

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Returns

{
    "id": "<collectionId>",
    "metadata": {
        "name": "my collection name",
        "description": "my collection description",
        "imageUrl": "https://www.crossmint.com/api/2022-06-09/media/defaultCollectionImage"
    },
    "onChain": {
        "chain": "solana",
        "type": "metaplex-certified-collection"
    }
}