Compare one contract across chains (price, activity, deployment) in one call (Al
Compare one contract across chains (price, activity, deployment) in one call (Alchemy + CoinGecko). x402-paid.
Answeringour last check, 2026-10-24
1 of 1checks answered this week
1468 msmedian answer time
$0.04listed price per call
$0.04price 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://api.cortexcloud.org/v1/data/cross-chain-compare
| Category | Market data |
|---|---|
| Provider host | api.cortexcloud.org |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 6 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.04 | 1468 ms |
Example input (from the provider)
{
"body": {
"chains": [
"ethereum",
"base",
"arbitrum"
],
"contract": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"chains": {
"default": [
"ethereum",
"base",
"arbitrum",
"polygon",
"optimism"
],
"items": {
"type": "string"
},
"maxItems": 5,
"type": "array"
},
"contract": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"contract"
],
"type": "object"
},
"bodyType": {
"const": "json",
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}