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GET
/
v1
/
compliance
/
merkle
/
root
curl https://api.engram.training/v1/compliance/merkle/root

{
  "root": "16890407db296faf7ff3c80deb93f0bf...",
  "dataHash": "12dc2d671a02203378b43163c8da05cc...",
  "entityCount": 1447,
  "treeSize": 2048,
  "builtAt": "2026-04-08T06:00:00.000Z"
}
Returns the current Merkle root, entity count, data hash, and when the tree was last built. Use this to verify that the on-chain root matches the API. Free — no credits charged.

​
Response

​
root
string
The current Merkle root (hex-encoded, 32 bytes).
​
dataHash
string
SHA-256 hash of the full sorted address list. Matches the on-chain data_hash.
​
entityCount
number
Number of sanctioned addresses in the dataset.
​
treeSize
number
Tree size (padded to next power of 2).
​
builtAt
string
ISO timestamp of when the tree was last rebuilt.
curl https://api.engram.training/v1/compliance/merkle/root

{
  "root": "16890407db296faf7ff3c80deb93f0bf...",
  "dataHash": "12dc2d671a02203378b43163c8da05cc...",
  "entityCount": 1447,
  "treeSize": 2048,
  "builtAt": "2026-04-08T06:00:00.000Z"
}