Get the firm quote for a swap using Allowance Holder to set allowances
Get the firm quote for a swap using Allowance Holder to set allowances
10000 (raw units)
price
700
calls / 30d
3
unique payers
2026-09-14
updated
Provider
agent.api.0x.org · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xb15a55e85FdF5edc41B6c1eaf7813e2c6e6def59",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "94tKEV2exvhoHwUYTw8fgm2aMD5eXmHHAm6NMwcszFHU",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "10000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xb15a55e85FdF5edc41B6c1eaf7813e2c6e6def59",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"maxTimeoutSeconds": 605400
}
]Output schema
{
"bazaar": {
"description": "Get the firm quote for a swap using Allowance Holder to set allowances",
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"allowanceTarget": "",
"blockNumber": "",
"buyAmount": "",
"buyToken": "",
"fees": {},
"gas": "",
"gasFee": {},
"gasPrice": "",
"integratorFees": [],
"issues": {},
"liquidityAvailable": false,
"minBuyAmount": "",
"route": {},
"sellAmount": "",
"sellToken": "",
"tokenMetadata": {},
"totalNetworkFee": "",
"zeroExFee": {},
"zid": ""
},
"type": "json"
},
"serviceName": "0x",
"tags": [
"swapAllowanceHolderQuote"
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://agent.api.0x.org/v1/x402/swap-allowance-holder-quote/" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://agent.api.0x.org/v1/x402/swap-allowance-holder-quote/");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://agent.api.0x.org/v1/x402/swap-allowance-holder-quote/")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/6862.json, and this resource appears in /discovery/resources and /discovery/search.