Api Endpoint

md.fastdb.in

Live gas on Ethereum, Base, Arbitrum, Optimism, Polygon — base fee, priority fee tiers, and USD transfer cost, straight from chain RPC.

Open interactive test console

Offering

Provider
md.fastdb.in
Method
POST
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://md.fastdb.in/pulse/gas
MIME type
Not provided
First seen
2026-10-16T01:51:40.954Z
Last seen
Tags
None supplied

Payment pricing

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

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x072F3a2bD93bB75b1Eb84a9E45D17a4F90a6D801"
  }
]

Observed health

Status
Reachable
Latest latency
309 ms
Average latency
852 ms
HTTP status
405
Last checked
Reachability
100% over 15 checks

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

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {}
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "type": "json",
  "example": {
    "at": "2026-07-17T15:00:00.000Z",
    "gas": {
      "base": {
        "chain": "base",
        "nativeUsd": 1818.32,
        "baseFeeGwei": 0.005,
        "blockNumber": 48755195,
        "priorityFee": {
          "fastGwei": 0.019,
          "slowGwei": 0.0001,
          "standardGwei": 0.0011
        },
        "gasPriceGwei": 0.006,
        "nativeSymbol": "ETH",
        "transferCostUsd": 0.0002291
      }
    },
    "chains": [
      "base"
    ]
  }
}