$0.001
per call · USD Coin on Base
Single-fact: recommended Monero per-byte fee in piconero (also exposed per-kB for convenience).
Endpoint
GET https://api.seneschal.space/v1/q/xmr/fee7
Calls / 30d
5
Unique payers / 30d
Sep 8
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://api.seneschal.space/v1/q/xmr/fee", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://api.seneschal.space/v1/q/xmr/fee" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"as_of_ms": 1765532000000,
"chain": "monero",
"fee_per_byte_piconero": 20000,
"fee_per_kb_piconero": 20480000
}Payment details
0x46ba634261566cf242c853d1f49511f9268ba674USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Other and the homepage with a featured placement.
More from Seneschal & similar services
Seneschal · ZEC Pools
api.seneschal.space
Single-fact: ZEC supply by value pool (transparent/sprout/sapling/orchard/ironwood/lockbox) + NU6.3 "Ironwood" migration readout — pool balance, Orchard remainder, and migration % once the quantum-recoverable Ironwood pool is live (mainnet target ~2026-07-21). The turnstile makes cross-pool flows public; this is the headline number. Sourced from a live operator-run zebra node.
Seneschal · XMR Height
api.seneschal.space
Single-fact: current Monero chain height + sync status. Sourced from a live operator-run monerod node.
Seneschal · Q Base FEE
api.seneschal.space
Single-fact: what does Ethereum mainnet gas cost RIGHT NOW? Returns the latest block’s base fee + blob base fee AND the consensus-computed next-block projection (not a guess — the protocol’s own EIP-1559/4844 arithmetic), straight from eth_feeHistory. Fields: {block, base_fee_gwei, blob_base_fee_gwei, gas_used_ratio, next_base_fee_gwei, next_blob_base_fee_gwei}. Bulk per-block history: /v1/premium/fee-history.csv ($0.05, up to 1024 blocks/call).