Chat-based Web3 trading agent covering Polymarket, Pump.fun, OKX, and more via x402 micropayment.
What it does
Web3 Trader is an x402-payable AI agent endpoint hosted by Questflow. It accepts a text message via POST and returns a response from a Web3 trading-focused agent. The endpoint is gated by an x402 payment challenge requiring USDC on Base Sepolia, with a maximum cost of 0.50 USDC per request (6-decimal token, maxAmountRequired 500000). The agent is part of Questflow's "AI Clone" swarm infrastructure, which aggregates onchain markets including Polymarket, Pump.fun, Opinion Labs, and OKX.
The input/output schema is minimal: send a JSON body with an "input" string field containing your message, and receive a JSON response with a "response" string field. The endpoint supports a maximum timeout of 1200 seconds (20 minutes), suggesting the agent may perform non-trivial reasoning or external lookups before responding. Payment is sent to address 0xa5F42B1a18d406A17D605b1c4207210Fa37Fe169 using the USDC contract at 0x036CbD53842c5426634e7929541eC2318f3dCF7e on Base Sepolia.
Documentation is sparse — there is no OpenAPI spec, no dedicated docs page, and no detailed description of what queries the agent can handle or what data sources it accesses at inference time. The Questflow landing page describes autonomous trading clones that scan markets, detect patterns, and execute trades, but it is unclear how much of that functionality is exposed through this single chat-style endpoint versus the broader Questflow platform.
Capabilities
Use cases
- —Asking an AI agent for trading insights across aggregated onchain markets
- —Querying prediction market odds and sentiment analysis
- —Getting crypto market alpha signals via a pay-per-message interface
- —Integrating autonomous Web3 trading intelligence into agent workflows
Fit
Best for
- —Developers building agent-to-agent crypto trading pipelines
- —Users wanting pay-per-query access to a Web3 market scanning agent
- —Prototyping x402-based micropayment integrations on Base Sepolia
Not for
- —Production trading with real funds (uses Base Sepolia testnet)
- —Users needing detailed API documentation or guaranteed response schemas
- —High-frequency trading requiring sub-second latency (20-min max timeout)
Quick start
curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68fa09a8c87f09b65914cbac \
-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 scanning, the top opportunities include..."
}Endpoint
Quality
The endpoint is live and returns a valid 402 challenge with a clear outputSchema. However, there is no OpenAPI spec, no dedicated documentation, no usage examples, and the agent's actual capabilities are only loosely inferred from the Questflow marketing landing page. The testnet-only payment (Base Sepolia) suggests this is a development/staging endpoint.
Warnings
- —Uses Base Sepolia testnet — not production mainnet USDC
- —No API documentation or OpenAPI spec available
- —Agent capabilities are inferred from marketing copy; actual behavior is unverified
- —20-minute max timeout suggests potentially long response times
- —Endpoint path contains a dynamic swarm ID that may change
Citations
- —The endpoint returns a 402 challenge requiring USDC on Base Sepolia with maxAmountRequired of 500000https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68fa09a8c87f09b65914cbac
- —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, detect patterns, and execute trades autonomouslyhttps://api-dev.intra-tls2.dctx.link