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.
Not tested: has real-world effectsour last check, 2026-10-03
0 of 0checks answered this week
n/amedian answer time
$0.02listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://seenly-token-preflight.vercel.app/api/token-preflight
| Category | Market data |
|---|---|
| Provider host | seenly-token-preflight.vercel.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"chain": "base",
"mode": "card",
"sizeUsd": 100,
"tokenAddress": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"
},
"bodyType": "json",
"method": "GET",
"type": "http"
}
Promised output schema (from the provider)
{
"$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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}