Check a token before trading
Check a token before trading: give a token address and trade size, get price, liquidity, rough price impact, chain warnings, your wallet's holding and recent news, in one call.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
256 msmedian answer time
$0.01listed price per call
$0.01price 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://chain.tollkit.dev/chain/pretrade
| Category | Market data |
|---|---|
| Provider host | chain.tollkit.dev |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.01 | 256 ms |
Example input (from the provider)
{
"body": {
"amount_usd": 500,
"chain": "solana",
"token": "JUPyiwrYJFskUPiHa7hkeR8VUtAeFoSYbKedZNsDvCN"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"amount_usd": {
"description": "Optional: planned trade size in USD.",
"exclusiveMinimum": 0,
"type": "number"
},
"chain": {
"default": "base",
"description": "Which chain to read: \"base\" (default), \"ethereum\" or \"solana\".",
"enum": [
"base",
"ethereum",
"solana"
],
"type": "string"
},
"token": {
"description": "ERC-20 contract or SPL mint.",
"pattern": "^(0x[0-9a-fA-F]{40}|[1-9A-HJ-NP-Za-km-z]{32,44})$",
"type": "string"
},
"wallet": {
"description": "Optional: your wallet, to see your current holding.",
"pattern": "^(0x[0-9a-fA-F]{40}|[1-9A-HJ-NP-Za-km-z]{32,44})$",
"type": "string"
}
},
"required": [
"token"
],
"type": "object"
},
"bodyType": {
"enum": [
"json"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"chain": {
"type": "string"
},
"checked_at": {
"type": "string"
},
"decimals": {
"type": [
"integer",
"null"
]
},
"explorer_url": {
"type": "string"
},
"freeze_authority": {
"type": [
"string",
"null"
]
},
"mint_authority": {
"type": [
"string",
"null"
]
},
"name": {
"type": [
"string",
"null"
]
},
"news_note": {
"type": "string"
},
"note": {
"type": "string"
},
"pool_depth_usd": {
"type": [
"integer",
"null"
]
},
"position": {
"properties": {
"native_balance": {
"type": [
"number",
"null"
]
},
"native_symbol": {
"type": [
"string",
"null"
]
},
"token_balance": {
"type": "number"
},
"token_value_usd": {
"type": [
"number",
"null"
]
},
"wallet": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"price_source": {
"type": [
"string",
"object",
"null"
]
},
"price_usd": {
"type": [
"number",
"null"
]
},
"recent_news": {
"items": {
"properties": {
"date": {
"type": [
"string",
"null"
]
},
"snippet": {
"type": [
"string",
"null"
]
},
"title": {
"type": "string"
},
"url": {
"type": "string"
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"symbol": {
"type": [
"string",
"null"
]
},
"token": {
"type": "string"
},
"total_supply": {
"type": [
"string",
"null"
]
},
"trade_size": {
"properties": {
"amount_usd": {
"type": "number"
},
"flag": {
"enum": [
"ok",
"large_vs_pool",
"very_large_vs_pool",
"unknown_depth"
],
"type": "string"
},
"pool_depth_usd": {
"type": [
"number",
"null"
]
},
"rough_price_impact_pct": {
"type": [
"number",
"null"
]
},
"share_of_pool_pct": {
"type": [
"number",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"warni