# Verify blockchain data

Verifies blockchain database. 

Endpoint: GET /daemon/verifychain
Version: 6.6.1
Security: ZelID

## Query parameters:

  - `checklevel` (integer)
    How thorough the block verification is.

Example:
- =
    Enum: 0, 1, 2, 3, 4

  - `numblocks` (integer)
    The number of blocks to check
    Example: 200

## Response 200 fields (application/json):

  - `status` (string)
    Explanation of status
    Enum: "success", "error"

  - `data` (boolean)
    Verified or not