base-quote
Slippage estimate, swap quote, and best DEX price on Base - compares Uniswap v2, Uniswap v3, and Aerodrome on-chain via Multicall3, returns amount received, chosen path, and price impact.
Offering
- Provider
- x402.agentindex.world
- 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://x402.agentindex.world/base/quote- MIME type
- application/json
- First seen
- 2026-10-16T01:50:38.788Z
- Last seen
- Tags
- swap quote base, best dex price base, base rpc, uniswap aerodrome, slippage estimate
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "3000",
"payTo": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d"
}
]Observed health
- Status
- Reachable
- Latest latency
- 334 ms
- Average latency
- 702 ms
- HTTP status
- 405
- Last checked
- Reachability
- 100% over 11 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": [
"POST",
"PUT",
"PATCH"
]
},
"bodyType": {
"type": "string",
"enum": [
"json",
"form-data",
"text"
]
},
"body": {
"properties": {
"token_in": {
"title": "Token In",
"type": "string"
},
"token_out": {
"title": "Token Out",
"type": "string"
},
"amount_in": {
"exclusiveMinimum": 0,
"title": "Amount In",
"type": "integer"
}
},
"required": [
"token_in",
"token_out",
"amount_in"
],
"title": "QuoteInput",
"type": "object"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"additionalProperties": false
}Output schema
{
"type": "object",
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"token_in": {
"title": "Token In",
"type": "string"
},
"token_out": {
"title": "Token Out",
"type": "string"
},
"amount_in": {
"title": "Amount In",
"type": "string"
},
"decimals_in": {
"title": "Decimals In",
"type": "integer"
},
"decimals_out": {
"title": "Decimals Out",
"type": "integer"
},
"best_dex": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Best Dex"
},
"best_amount_out_raw": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Best Amount Out Raw"
},
"best_amount_out": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Best Amount Out"
},
"price_impact_pct": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Price Impact Pct"
},
"uniswap_v2": {
"properties": {
"available": {
"title": "Available",
"type": "boolean"
},
"amount_out_raw": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Amount Out Raw"
},
"amount_out": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Amount Out"
},
"detail": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Detail"
}
},
"required": [
"available",
"amount_out_raw",
"amount_out",
"detail"
],
"title": "DexQuote",
"type": "object"
},
"uniswap_v3": {
"properties": {
"available": {
"title": "Available",
"type": "boolean"
},
"amount_out_raw": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Amount Out Raw"
},
"amount_out": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Amount Out"
},
"detail": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Detail"
}
},
"required": [
"available",
"amount_out_raw",
"amount_out",
"detail"
],
"title": "DexQuote",
"type": "object"
},
"aerodrome": {
"properties": {
"available": {
"title": "Available",
"type": "boolean"
},
"amount_out_raw": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Amount Out Raw"
},
"amount_out": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Amount Out"
},
"detail": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Detail"
}
},
"required": [
"available",
"amount_out_raw",
"amount_out",
"detail"
],
"title": "DexQuote",
"type": "object"
}
},
"required": [
"token_in",
"token_out",
"amount_in",
"decimals_in",
"decimals_out",
"best_dex",
"best_amount_out_raw",
"best_amount_out",
"price_impact_pct",
"uniswap_v2",
"uniswap_v3",
"aerodrome"
],
"title": "QuoteOutput"
}
},
"required": [
"type"
]
}