Index onlineMerchant portal
Api Endpoint

Multichain Gas Oracle

Base-fee trajectory + congestion over up to 1024 blocks

Open interactive test console

Offering

Provider
x402.professorsausages.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://x402.professorsausages.com/gas-oracle/:chain/history
MIME type
Not provided
First seen
2026-10-16T01:54:22.818Z
Last seen
Tags
Gas, Fees, eip1559, l2, EVM

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3000",
    "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B"
  }
]

Observed health

Status
Reachable
Latest latency
305 ms
Average latency
640 ms
HTTP status
400
Last checked
Reachability
100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "method": "GET",
  "queryParams": {
    "blocks": "Window size 10–1024 (default 100)."
  },
  "type": "http"
}

Output schema

{
  "properties": {
    "input": {
      "type": "object"
    },
    "output": {
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}