getBlocks.json

{
  "lexicon": 1,
  "id": "com.atproto.sync.getBlocks",
  "defs": {
    "main": {
      "type": "query",
      "description": "Get data blocks from a given repo, by CID. For example, intermediate MST nodes, or records. Does not require auth; implemented by PDS.",
      "parameters": {
        "type": "params",
        "required": ["did", "cids"],
        "properties": {
          "did": {
            "type": "string",
            "format": "did",
            "description": "The DID of the repo."
          },
          "cids": {
            "type": "array",
            "items": { "type": "string", "format": "cid" }
          }
        }
      },
      "output": {
        "encoding": "application/vnd.ipld.car"
      },
      "errors": [
        { "name": "BlockNotFound" },
        { "name": "RepoNotFound" },
        { "name": "RepoTakendown" },
        { "name": "RepoSuspended" },
        { "name": "RepoDeactivated" }
      ]
    }
  }
}