chainpeek (Tanod) Uniswap V3 swap quoted at up to five sizes
chainpeek (Tanod) Uniswap V3 swap quoted at up to five sizes: price impact per size, best fee tier and pool, and the gap to the latest DEX candle close, on Ethereum or Base. Use when an agent is about to swap and needs the price impact at several sizes before choosing one.
Not tested: has real-world effectsour last check, 2026-10-18
0 of 0checks answered this week
n/amedian answer time
$0.005listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://tanod.dev/v1/chain/pre-trade-check
| Category | Market data |
|---|---|
| Provider host | tanod.dev |
| Networks | eip155:137, eip155:42161, eip155:56, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"chain": "base",
"sizes": [
"1",
"10",
"100"
],
"token_in": "0x4200000000000000000000000000000000000006",
"token_out": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"chain": {
"description": "Chain to quote on (Uniswap V3): ethereum or base.",
"enum": [
"ethereum",
"base"
],
"type": "string"
},
"fee_tiers": {
"anyOf": [
{
"items": {
"enum": [
100,
500,
3000,
10000
],
"type": "integer"
},
"maxItems": 4,
"minItems": 1,
"type": "array"
},
{
"type": "null"
}
],
"default": null,
"description": "Uniswap V3 fee tiers to consider (100, 500, 3000, 10000). Default: all four."
},
"sizes": {
"description": "1 to 5 amounts of token_in as positive decimal strings in token_in units, e.g. [\"1\", \"10\", \"100\"]. Distinct; answered smallest first.",
"items": {
"maxLength": 160,
"pattern": "^(0|[1-9][0-9]{0,77})(\\.[0-9]{1,77})?$",
"type": "string"
},
"maxItems": 5,
"minItems": 1,
"type": "array"
},
"token_in": {
"description": "Token sold (0x + 40 hex).",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"token_out": {
"description": "Token bought (0x + 40 hex).",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"chain",
"token_in",
"token_out",
"sizes"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/chain/pre-trade-check",
"properties": {
"block": {
"type": [
"integer",
"null"
]
},
"chain": {
"type": "string"
},
"dex": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"note": {
"type": "string"
},
"reference": {
"type": "object"
},
"results": {
"type": "array"
},
"token_in": {
"type": "object"
},
"token_out": {
"type": "object"
}
},
"required": [
"chain",
"dex",
"token_in",
"token_out",
"results",
"reference",
"block",
"note",
"disclaimer"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}