Token Preflight
Token Preflight: pre-trade safety check for a Base ERC-20 (buy/sell simulation, taxes, owner powers, liquidity, LP, holders, verification) with a shareable verdict card. Not investment advice.
Offering
- Provider
- seenly-token-preflight.vercel.app
- Method
- GET
- 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://seenly-token-preflight.vercel.app/api/token-preflight- MIME type
- application/json
- First seen
- 2026-10-16T01:50:53.972Z
- Last seen
- Tags
- token-security, honeypot, Base, pre-trade, Crypto
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"payTo": "0xeE6239F3E17bEBe5e89F21F29D74D68CAa0d78CE"
}
]Observed health
- Status
- Healthy
- Latest latency
- 78 ms
- Average latency
- 440 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 14 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"GET"
]
},
"bodyType": {
"type": "string",
"enum": [
"json",
"form-data",
"text"
]
},
"body": {
"type": "object",
"properties": {
"chain": {
"type": "string",
"enum": [
"base"
],
"default": "base",
"description": "Only Base mainnet (chain id 8453) in v1."
},
"tokenAddress": {
"type": "string",
"pattern": "^0x[0-9a-fA-F]{40}$",
"description": "ERC-20 token contract address on Base."
},
"sizeUsd": {
"type": "number",
"minimum": 1,
"maximum": 100000,
"default": 100,
"description": "Simulated trade size in USD."
},
"mode": {
"type": "string",
"enum": [
"card",
"full"
],
"default": "card",
"description": "card = verdict + compact checks; full = adds raw evidence."
},
"requestKey": {
"type": "string",
"maxLength": 128,
"description": "Optional idempotency key, echoed back."
}
},
"required": [
"tokenAddress"
],
"additionalProperties": false
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"additionalProperties": false
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"chain": {
"default": "base",
"description": "Only Base mainnet (chain id 8453) in v1.",
"enum": [
"base"
],
"type": "string"
},
"mode": {
"default": "card",
"description": "card = verdict + compact checks; full = adds raw evidence.",
"enum": [
"card",
"full"
],
"type": "string"
},
"requestKey": {
"description": "Optional idempotency key, echoed back.",
"maxLength": 128,
"type": "string"
},
"sizeUsd": {
"default": 100,
"description": "Simulated trade size in USD.",
"maximum": 100000,
"minimum": 1,
"type": "number"
},
"tokenAddress": {
"description": "ERC-20 token contract address on Base.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"tokenAddress"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"as_of_block": {
"type": "string"
},
"card_url": {
"description": "Shareable signed verdict card.",
"type": [
"string",
"null"
]
},
"checks": {
"description": "Per-check results: id, status (pass|warn|fail|unknown), label.",
"items": {
"type": "object"
},
"type": "array"
},
"disclaimer": {
"type": "string"
},
"grade": {
"description": "Overall verdict grade.",
"enum": [
"OK",
"CAUTION",
"DANGER",
"UNKNOWN"
],
"type": "string"
},
"one_liner": {
"type": "string"
},
"score": {
"maximum": 100,
"minimum": 0,
"type": "integer"
},
"simulation": {
"description": "Buy/sell eth_call simulation summary: buy_ok, sell_ok, taxes, round-trip loss.",
"type": "object"
},
"verdict": {
"description": "One-paragraph plain-English verdict.",
"type": "string"
}
},
"required": [
"grade",
"score",
"verdict",
"checks",
"as_of_block"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}