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/api/validation-rounds REST API Endpoint

Returns past and current validation rounds with boundaries, stakes, and bonuses.

Updated on
Apr 02, 2026

Query Parameters

election_id
integer

Return the single round matching this election ID

block
integer

Find the round containing this masterchain block seqno

Returns

response_time_ms
integer

Server-side response time in milliseconds

rounds
array

An array of validation round objects

election_id
integer

The unique identifier for the election

start
string | object

The start time of the validation round. Contains an RFC 3339 timestamp for finished rounds, empty object for unfinished rounds

end
string | object

The end time of the validation round. Contains an RFC 3339 timestamp for finished rounds, empty object for unfinished rounds

start_block
integer

The masterchain block seqno at the start of the round

end_block
integer

The masterchain block seqno at the end of the round. Only present for finished rounds

finished
boolean

Whether the validation round has finished

prev_election_id
integer

The election ID of the previous validation round. Only present when available

next_election_id
integer

The election ID of the next validation round. Only present when available

Request
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