Paid research · Arc testnet
Give your agent a research budget.
Know the price before your agent pays. Follow the job, read its evidence, and see what reached creators.
Use a funded x402 client to purchase. This workspace prepares requests and follows existing jobs.
1. Price your research
Service fee
0.05 USDC
Creator cap
0.05 USDC
Total package price
0.1 USDC
Up to 4 sources considered for synthesis · 1 re-evaluation rounds · 300s provisional completion target.
Fixed-price and non-refundable. Unused creator reserve stays in the package. Quality is best effort; the provisional target has no refund or service-credit remedy. The payment challenge at purchase is authoritative.
Payment network: eip155:5042002
Keryx payee: 0xC5965E3175Ef063FaeB8BCd3abe2d25b5D27D586
Send this JSON to POST /api/agent/ask with your x402 client. Check the challenge against 0.1 USDC, Arc testnet and the expected Keryx payee before signing. Keep the returned job ID to open it below.
{
"question": "",
"budget": 0.05,
"researchMode": "deep",
"packageVersion": "1.0.0",
"responseMode": "async"
}2. Follow a paid job
Your job ID grants access to its result. Keep it private. This page does not save it to browser storage or the address bar.
New to the API? Read the API reference. To try a sponsored question, open the playground.