Public EVM Fee Observation Comparison
Public EVM Fee Observation Comparison: Compare timestamped fee observations for up to three supported chains using free public RPC: Base, Arbitrum and Optimism. Includes partial-source failures. Excludes L1 data fees; this is not a total-cost quote or inclusion guarantee. 0.01 USDC includes one bounded crypto-data report.
Answeringour last check, 2026-10-04
1 of 1checks answered this week
355 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://market.datapackvibe.com/x402/assistant-local-gas-comparison
| Category | Market data |
|---|---|
| Provider host | market.datapackvibe.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-04 | valid payment request | 402 | $0.01 | 355 ms |
Example input (from the provider)
{
"body": {
"chains": [
"base",
"optimism"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"chains": {
"default": [
"base",
"optimism"
],
"items": {
"enum": [
"base",
"arbitrum",
"optimism"
],
"type": "string"
},
"maxItems": 3,
"minItems": 1,
"type": "array",
"uniqueItems": true
}
},
"required": [
"chains"
],
"type": "object"
},
"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": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}