0x Swap Allowance Holder Indicative Price

x402

0x Swap Allowance Holder Indicative Price is a paid API for AI agents from agent.api.0x.org, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-10).

Returns an indicative (non-binding) price quote for a token swap using the 0x Allowance Holder contract, including gas estimates, fees, and route details

Price / call$0.01

Seller volume →—

Success—

StatusUnknown

How this service works

API proxy for 0x

Output

Returns a JSON object containing the indicative buy/sell amounts, gas price, total network fee, allowance target address, liquidity availability flag, route details, fee breakdown, issues, and the block number at time of quote. This is a non-binding price estimate, not a firm executable quote.

Example use cases

Example prompt

“What's the current indicative price to swap 1 ETH for USDC using 0x's Allowance Holder — including the expected gas fees, route, and minimum amount I'd receive?”

Technical details

Endpoint

GEThttps://agent.api.0x.org/v1/x402/swap-allowance-holder-price/%7Bpath%7D

When to prefer

Use this endpoint when you need a quick, non-binding indicative price for a token swap via the 0x Allowance Holder pattern before committing to a firm quote or executing a trade. Prefer this over the firm quote endpoint when you only need price discovery, want to check liquidity, or are presenting estimated costs to a user without intending to execute immediately. This is ideal for display purposes, pre-trade analysis, or comparing swap costs.

Side effects

Token pair not supported or liquidity unavailable — liquidityAvailable returns false
Invalid token address or symbol in query params — 400 bad request
Unsupported chain or network — error response
Payment not provided or invalid x402 payment header — 402 Payment Required
Rate limit exceeded — 429 Too Many Requests
Stale or missing block number data — may return empty gas or price fields

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "gas": "",
    "zid": "",
    "fees": {},
    "route": {},
    "issues": {},
    "buyToken": "",
    "gasPrice": "",
    "buyAmount": "",
    "sellToken": "",
    "sellAmount": "",
    "blockNumber": "",
    "minBuyAmount": "",
    "allowanceTarget": "",
    "totalNetworkFee": "",
    "liquidityAvailable": false
  }
}

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How this service works

API proxy for 0x

Output

Technical details

Endpoint

GEThttps://agent.api.0x.org/v1/x402/swap-allowance-holder-price/%7Bpath%7D

When to prefer

Side effects

Token pair not supported or liquidity unavailable — liquidityAvailable returns false
Invalid token address or symbol in query params — 400 bad request
Unsupported chain or network — error response
Payment not provided or invalid x402 payment header — 402 Payment Required
Rate limit exceeded — 429 Too Many Requests
Stale or missing block number data — may return empty gas or price fields

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "gas": "",
    "zid": "",
    "fees": {},
    "route": {},
    "issues": {},
    "buyToken": "",
    "gasPrice": "",
    "buyAmount": "",
    "sellToken": "",
    "sellAmount": "",
    "blockNumber": "",
    "minBuyAmount": "",
    "allowanceTarget": "",
    "totalNetworkFee": "",
    "liquidityAvailable": false
  }
}