Chat-based Web3 trading agent accessible via x402 micropayment on Base Sepolia
What it does
Web3 Trader is an x402-payable AI agent endpoint hosted by Questflow. It accepts a text prompt and returns a response from a Web3-focused trading agent. The endpoint uses the x402 payment protocol on the Base Sepolia testnet, requiring USDC payment (up to 0.5 USDC per request) to the specified payTo address before the agent processes your message.
The agent is part of Questflow's "AI Clone" platform, which aggregates onchain markets such as Polymarket, Pump.fun, Opinion Labs, and OKX. According to the platform's landing page, these clones scan markets, detect patterns and sentiment shifts, and can execute trades autonomously. However, the specific capabilities exposed through this single POST endpoint are unclear — the schema only defines a string input ("Your message to the agent") and a string output ("Response from the agent").
Notably, this endpoint is on a development/testnet domain (api-dev, Base Sepolia network) and no formal API documentation, OpenAPI spec, or detailed usage guide was found. There is no information about rate limits, response latency guarantees, or what kinds of queries the agent can handle beyond the generic description. The maximum timeout of 1200 seconds (20 minutes) suggests responses may involve non-trivial processing.
Capabilities
Use cases
- —Querying an AI agent about Web3 market conditions and trading opportunities
- —Getting AI-generated analysis on prediction markets, meme coins, or token launches
- —Programmatic agent-to-agent interaction for crypto trading signals
Fit
Best for
- —Developers experimenting with x402 payment protocol on testnet
- —Agents seeking Web3 market intelligence via pay-per-query
- —Prototyping paid AI agent interactions on Base Sepolia
Not for
- —Production trading with real funds (this is a testnet/dev endpoint)
- —Users needing detailed API documentation or guaranteed SLAs
- —Non-crypto use cases or general-purpose chat
Quick start
curl -X POST \
https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f0c9199c162996ee7189d4 \
-H 'Content-Type: application/json' \
-H 'X-PAYMENT: <x402_payment_token>' \
-d '{"input": "What are the top prediction market opportunities right now?"}'Example
Request
{
"input": "What are the top prediction market opportunities right now?"
}Response
{
"response": "Based on current Polymarket data, the top opportunities include..."
}Endpoint
Quality
No OpenAPI spec, no API documentation, no usage examples, and the endpoint is on a dev/testnet domain. The only schema information comes from the x402 challenge's outputSchema, which is minimal (one string in, one string out). The response example is entirely inferred.
Warnings
- —Development/testnet endpoint (api-dev domain, Base Sepolia network) — not suitable for production use
- —No API documentation found (/docs, /api, /pricing, /README all return 404)
- —Response example is inferred — no actual response sample available
- —Maximum timeout of 1200 seconds suggests potentially very long response times
- —The specific trading capabilities accessible through this endpoint are unclear
Citations
- —The endpoint requires x402 payment on Base Sepolia with USDC (maxAmountRequired 500000) and has a 1200-second timeouthttps://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f0c9199c162996ee7189d4
- —Questflow aggregates Polymarket, Pump.fun, Opinion Labs, OKX and other onchain marketshttps://api-dev.intra-tls2.dctx.link
- —The platform describes AI Clones that scan markets 24/7, detect patterns and sentiment shifts, and execute trades autonomouslyhttps://api-dev.intra-tls2.dctx.link