Task

Unconfirmed Transactions

2 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

base-pending-block x402 REST usage

The current pending Base mainnet block (mempool, not yet mined) - unconfirmed transactions via eth_getBlockByNumber('pending').

x402.agentindex.world Other services 3 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Bitcoin mempool congestion x402 REST usage

Live snapshot of the Bitcoin mempool: number of unconfirmed transactions, total pending virtual size (bytes and MB), the current backlog in blocks, total fees pending (sats and BTC), the fee-rate histogram, and the curre...

chain.openverbs.com Infrastructure 3 calls / 30d checked 2026-10-26

0.006 USDC per call per call

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