SendCheck deep scan
SendCheck deep scan: the same verification across all 5 chains (Base, Ethereum, Arbitrum, Optimism, Polygon) incl. wrong-network detection. POST {address, chain}
Answeringour last check, 2026-09-24
1 of 1checks answered this week
359 msmedian answer time
$0.05listed price per call
$0.05price 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.pennyforge.org/deep
| Category | Market data |
|---|---|
| Provider host | api.pennyforge.org |
| 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.05 | 359 ms |
Example input (from the provider)
{
"body": {
"address": "0x9504A5939AB5be2B2B1F8beA7D7ebeCcd96c485D",
"chain": "base"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"description": "EVM address to verify, 0x + 40 hex characters. Free format pre-check: GET /validate?address=\u2026",
"type": "string"
},
"chain": {
"description": "Chain to scan (default: base)",
"enum": [
"base",
"ethereum",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json"
],
"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"
}