x402 census · api.vextorium.com · 6c49f3643bf4 · JSON
POST /gas-red-pago
unprobed
Live gas price on Base or Ethereum (gwei, base fee, priority fee) plus estimated USD cost of an ETH transfer, an ERC-20 transfer and a DEX swap, including Base L1 data fee. Priced with the Chainlink ETH/USD oracle.
Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://api.vextorium.com/gas-red-pago |
| Method | POST |
| Price | $0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf |
| Seller | api.vextorium.com |
| Catalogs | cdp (row updated 2026-09-29) |
| Listed since (lower bound) | 2026-09-29 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-29 |
| CDP quality counters | 3 calls and 2 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain) |
| Category (keyword rule) | money-movement |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Vextorium · gas, fees, base, ethereum, onchain |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 1 |
| Payments | 1 |
| USDC volume | $0.003 |
| Median payment | $0.003 |
| First / last payment | 2026-09-29 / 2026-09-29 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf (contract: CoinbaseSmartWallet) |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"red": "base"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"coste_estimado": {
"transferencia_erc20": {
"eth": 4.3e-7,
"usd": 0.0012
}
},
"precio_eth_usd": 2691.22,
"precio_gas_gwei": 0.006,
"red": "base"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://api.vextorium.com/gas-red-pago' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'
The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/6c49f3643bf4/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"6c49f3643bf4"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.vextorium.com.