ZayGuard
ZayGuard Pre-Send Safety Check — an evidence-based transaction assessment: pay $0.05 USDC through x402 for a read-only Base or Arbitrum One transaction result; payment is collected on Base.
Offering
- Provider
- zayguard.onrender.com
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Blockchain And Crypto
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://zayguard.onrender.com/v1/assessments- MIME type
- Not provided
- First seen
- 2026-10-16T01:50:14.534Z
- Last seen
- Tags
- agent-assessment-intelligence, Base, transaction-safety, risk-assessment
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.05 USDC
Atomic price: 50000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "50000",
"payTo": "0xF66b43E9532493C8877bA1e518028457c3A093Ea"
}
]Observed health
- Status
- Reachable
- Latest latency
- 262 ms
- Average latency
- 204 ms
- HTTP status
- 405
- Last checked
- Reachability
- 100% over 8 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"chain": {
"description": "Network being assessed. Base or Arbitrum One.",
"enum": [
"base",
"arbitrum"
],
"type": "string"
},
"data": {
"description": "Optional calldata.",
"pattern": "^0x(?:[0-9a-fA-F]{2})*$",
"type": "string"
},
"from_address": {
"description": "Proposed transaction sender: canonical lowercase or valid EIP-55 checksummed EVM address.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"to_address": {
"description": "Proposed recipient or contract: canonical lowercase or valid EIP-55 checksummed EVM address.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"value_wei": {
"default": 0,
"description": "Optional proposed native-value amount in wei.",
"minimum": 0,
"type": "integer"
}
},
"required": [
"chain",
"from_address",
"to_address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"chain": {
"description": "Network being assessed. Base or Arbitrum One.",
"enum": [
"base",
"arbitrum"
],
"type": "string"
},
"data": {
"description": "Optional calldata.",
"pattern": "^0x(?:[0-9a-fA-F]{2})*$",
"type": "string"
},
"from_address": {
"description": "Proposed transaction sender: canonical lowercase or valid EIP-55 checksummed EVM address.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"to_address": {
"description": "Proposed recipient or contract: canonical lowercase or valid EIP-55 checksummed EVM address.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"value_wei": {
"default": 0,
"description": "Optional proposed native-value amount in wei.",
"minimum": 0,
"type": "integer"
}
},
"required": [
"chain",
"from_address",
"to_address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"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": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}