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SYNTHORA Blockscout Multi-Chain Metrics Oracle
x402
SYNTHORA Blockscout Multi-Chain Metrics Oracle is a paid API for AI agents from blockscout-chain-stats-multichain.hergertsynthora.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Returns live per-chain explorer metrics (block time, gas prices, gas used, addresses, blocks, transactions, market cap) from public Blockscout instances for Base, Optimism, Gnosis, and Ethereum.
Price / call$0.001
Success—
StatusUnknown
How this service works
Returns per-chain explorer metrics (average block time, live gas prices slow/average/fast, gas used today, total addresses, total blocks, network utilization, market cap) from public Blockscout instances for Base, Optimism, Gnosis and Ethereum. Serves autonomous cross-chain agents and A2A schedulers picking the cheapest, least-congested chain to transact on. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.
Output
A JSON object with ok:true and a result containing coin_price, gas_prices (slow/average/fast in Gwei), total_blocks, gas_used_today, total_addresses, average_block_time (in ms), total_transactions, and transactions_today, sourced from Blockscout public explorer APIs for the queried chain. Also includes provenance metadata showing the source URL and oracle name.
Example use cases
Cheapest chain for DeFi transaction
“I need to execute a DeFi swap and want to spend as little on gas as possible — can you check the current slow and average gas prices across Base, Optimism, Gnosis, and Ethereum and tell me which chain is cheapest right now?”
Cross-chain agent scheduling
“My automation bot needs to pick the least congested EVM chain before it submits a batch of transactions — fetch the live block times and network utilization from Blockscout for Base, Optimism, Gnosis, and Ethereum so it can decide where to route the batch.”
Daily blockchain activity dashboard
“Give me a summary of today's on-chain activity across Base, Optimism, Gnosis, and Ethereum — transactions today, gas used today, total addresses, and the current ETH price from Blockscout so I can update my morning report.”
Technical details
Endpoint
POSThttps://blockscout-chain-stats-multichain.hergertsynthora.com/serviceWhen to prefer
Choose this endpoint when an autonomous agent or scheduler needs real-time, cross-chain gas and network metrics from Blockscout explorers without building direct integrations to each chain's API. Ideal for routing decisions (cheapest/least-congested chain), DeFi automation, and dashboards that need unified multi-chain stats (Base, Optimism, Gnosis, Ethereum) in a single call. Prefer over building direct Blockscout API calls when you need aggregation across chains or when operating in an x402 micropayment environment.
Side effects
- Upstream Blockscout API unavailable for a specific chain — partial or null result for that chain
- Invalid or missing keys/caller fields — authentication rejection
- Network timeout if Blockscout instances are slow to respond
- Stale data if Blockscout explorer is lagging behind chain head
- Malformed payload causing 400-level error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| keys | string | keys |
| caller | string | caller |
| payload | string | payload |
| provides | string | provides |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"niche": "blockscout-chain-stats-multichain",
"result": {
"coin_price": "1797.4",
"gas_prices": {
"fast": 0.02,
"slow": 0.01,
"average": 0.01
},
"total_blocks": "48294894",
"gas_used_today": "1273974157481",
"total_gas_used": "0",
"total_addresses": "917069280",
"average_block_time": 2000,
"total_transactions": "6785087263",
"transactions_today": "7788438"
},
"provenance": {
"url": "https://base.blockscout.com/api/v2/stats",
"source": "Blockscout Multi-Chain Metrics Oracle"
}
}
}Tags
x402
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