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Bittensor Epoch State API
x402
Bittensor Epoch State API is a paid API for AI agents from api.carbon-cashmere.de, paid per call via x402, $0.01/call, status down (last checked 2026-09-14).
Returns the current Bittensor epoch state including block number, finality status, peer count, sync status, epoch number, progress within epoch, and blocks until the next epoch boundary.
Price / call$0.01
Success—
StatusDown
How this service works
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Output
Returns a JSON object with 9 fields: block_number (current chain height), finalized_block (last finalized block), finality_lag_blocks (gap between head and finalized), peer_count (connected peers), is_syncing (boolean sync status), epoch_number (current epoch index), blocks_into_epoch (progress since epoch start), blocks_until_next_epoch (blocks remaining in 360-block epoch window), and progress_pct (0-100 percentage through current epoch).
Example use cases
Track Bittensor epoch boundary approach
“Alert me when we're within 30 blocks of the next Bittensor epoch boundary so I can make sure my weight-setting operations are timed correctly before emissions lock in.”
Monitor Bittensor node sync status
“Is the Bittensor node fully synced right now, and how many peers is it connected to? Also let me know if there's a significant finality lag I should be worried about.”
Check Bittensor epoch progress percentage
“What percentage of the current Bittensor epoch have we burned through, and how many blocks are left until the next one starts? I want to decide if I still have time to submit weights.”
Technical details
Endpoint
GEThttps://api.carbon-cashmere.de/v1/bittensor/epochWhen to prefer
Use this endpoint when you need precise, real-time Bittensor epoch timing data — specifically blocks_until_next_epoch and progress_pct — for scheduling weight-setting operations, triggering emission-window alerts, or monitoring subnet synchronization. Prefer this over generic block explorers when you need structured epoch boundary calculations in a single call.
Side effects
- Node temporarily out of sync — is_syncing may be true and data may be stale
- Network unreachability to Subtensor node — 503 or timeout
- High finality lag indicating chain instability
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"block_number": 7995930,
"epoch_number": 22210,
"progress_pct": 58.33,
"blocks_into_epoch": 210,
"blocks_until_next_epoch": 150
}
}Tags
x402
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