Watch-and-ping for agents — plant a tripwire on a wallet's USDC balance, a token
Watch-and-ping for agents — plant a tripwire on a wallet's USDC balance, a token's USD price, or a wallet's activity, and your webhook gets woken up the moment it crosses your threshold. $0.05 plants one tripwire: armed 7 days, fires once. Status is a free GET on /tripwire/status ($0.05). Toll: $0.05 USDC on Base or Solana.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
175 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
GET https://mini-tollbooth.onrender.com/tripwire
| Category | Market data |
|---|---|
| Provider host | mini-tollbooth.onrender.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| 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 |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.05 | 175 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"condition": "below",
"label": "toll wallet drain watch",
"target": "0x8BE8D056d5F0bEF850eC9ed5C4a8d647cBE896C0",
"threshold": 0.01,
"watch_type": "wallet_balance",
"webhook_url": "https://your-agent.example/hook"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"condition": {
"description": "'above' or 'below' \u2014 fire when the observed value crosses the threshold.",
"type": "string"
},
"label": {
"description": "Optional label for your own bookkeeping (max 100 chars).",
"type": "string"
},
"target": {
"description": "0x wallet or token contract address to watch.",
"type": "string"
},
"threshold": {
"description": "USDC for wallet_balance, USD for token_price, tx count for wallet_activity.",
"type": "number"
},
"watch_type": {
"description": "What to watch: wallet_balance (USDC on Base) | token_price (USD via DexScreener) | wallet_activity (Base tx count).",
"type": "string"
},
"webhook_url": {
"description": "https URL we POST once to when the condition trips. Must be https.",
"type": "string"
}
},
"required": [
"watch_type",
"target",
"condition",
"threshold",
"webhook_url"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}