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Base Wallet Fee Compare — Platform Fee Comparison
x402
Base Wallet Fee Compare — Platform Fee Comparison is a paid API for AI agents from agentkit-x402-buy.vercel.app, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-13).
Returns a ranked comparison of platform fees across crypto marketplaces so sellers can see their net payout on 1 USDC.
Price / call$0.002
Success—
StatusUnknown
How this service works
Instant Base wallet health brief. Pay $0.50 USDC via x402. No account.
Output
Returns a JSON array of rows, each containing a platform name, its fee percentage, and the net amount a seller would receive on 1 USDC after fees. Also includes the seller wallet address.
Example use cases
Choosing lowest-fee selling platform
“I want to sell some USDC — can you pull a fee comparison across all the platforms and tell me which one gives me the best net payout?”
Auditing marketplace fee fairness
“I'm building a report on crypto marketplace fees. Can you fetch the current fee percentages for each platform and sort them from lowest to highest?”
Agent deciding where to route a sale
“Before I list this item on a marketplace, can you check which platform has the lowest seller fee right now so I keep as much USDC as possible?”
Technical details
Endpoint
GEThttps://agentkit-x402-buy.vercel.app/api/fee-compareWhen to prefer
Choose this endpoint when you need a quick, pay-per-call comparison of platform fees across crypto marketplaces without setting up an account. It is ideal for agents that need to route transactions to the lowest-fee venue or audit marketplace economics. Prefer this over manually scraping individual platform fee pages when you need structured, comparable data in a single call.
Side effects
- Payment not received — 402 response if x402 USDC payment of $0.002 is not included
- Empty or stale data if upstream fee data sources are unavailable
- Malformed query parameter causes 400 bad request
- Network timeout if the vercel serverless function is cold-starting
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"rows": [
{
"fee_pct": 7.5,
"platform": "TaskMarket",
"net_on_1_usdc": 0.925
}
],
"seller": "0xEb76f3442EAF192EBdDbc1F7EeBD59CdE5e00D35"
}
}Tags
x402
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