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Bitcoin Mempool Heatmap

L402uncategorized402 seen 2026-10-17

Pay-per-call endpoint from Lightning Faucet. Price per call: 30 sat (≈ $0.024).

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Proof

endpoint (shown as text, not a link, to avoid accidental calls): https://lightningfaucet.com/api/l402/mempool_heatmap
“HTTP 402 + WWW-Authenticate: L402 invoice for 30 sat(s)”
source: lightningfaucet.com/api/l402/mempool_heatmap

Details

Price per call
30 sat (≈ $0.024)
Provider
Lightning Faucet
Protocol
L402 · BTC (Lightning)
Method
GET
Price basis
invoice amount decoded from an unpaid HTTP 402 response
Last probed
2026-10-17

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