Pay-per-message AI agent endpoint on Questflow's swarm network via x402 micropayments.
What it does
This x402-enabled endpoint exposes a Questflow "swarm" agent that accepts a text message and returns a text response, paid per-request with USDC on the Base Sepolia testnet. The endpoint follows the x402 payment protocol: callers must include an X-PAYMENT header with a valid payment proof. Each request costs up to 0.50 USDC (500000 units in 6-decimal USDC), and the payment is sent to a specified wallet address.
Questflow is a platform for creating autonomous AI "Clones" that aggregate onchain markets (Polymarket, Pump.fun, OKX, Opinion Labs, etc.) to discover trading alpha, execute trades, and generate revenue. This particular endpoint is labeled "Personal use" and appears to be a single agent instance within Questflow's swarm infrastructure. The input schema is minimal: a POST request with a JSON body containing an "input" string field (your message to the agent), and the output is a JSON object with a "response" string field.
Documentation is sparse — there is no OpenAPI spec, no dedicated docs page, and no detailed description of what this specific agent does beyond the generic "Personal use" label. The endpoint is on a development/staging domain (api-dev), suggesting it may not be production-stable. The x402 challenge metadata and the Questflow landing page are the only sources of information available.
Capabilities
Use cases
- —Sending paid queries to a Questflow AI agent and receiving text responses
- —Integrating an x402-payable AI agent into an automated pipeline
- —Testing x402 micropayment flows on Base Sepolia testnet
Fit
Best for
- —Developers experimenting with x402 payment protocol for AI services
- —Testing pay-per-message agent interactions on a testnet
- —Integrating Questflow swarm agents into agent-to-agent workflows
Not for
- —Production workloads requiring guaranteed uptime (this is a dev endpoint)
- —Users who need detailed documentation or predictable agent behavior
- —Free or non-crypto payment workflows
Quick start
curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9cbd8171bbfe8621867a8 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <your-x402-payment-proof>" \
-d '{"input": "What markets are trending today?"}'Example
Request
{
"input": "What markets are trending today?"
}Response
{
"response": "Currently trending: Polymarket US election markets are seeing high volume, SOL meme coins on Pump.fun are surging, and ETH options expiry is driving volatility on OKX."
}Endpoint
Quality
No OpenAPI spec, no documentation pages, no usage examples, and the endpoint is on a dev/staging domain. The only structured information comes from the x402 challenge metadata. The agent's specific capabilities and behavior are unknown beyond a generic 'Personal use' label. The response example is entirely inferred.
Warnings
- —Endpoint is on a development domain (api-dev) — may be unstable or ephemeral
- —No OpenAPI spec or documentation available
- —Agent behavior and capabilities are undocumented; 'Personal use' label is vague
- —Payment uses Base Sepolia testnet — not real USDC
- —Response example is fabricated for illustration; actual agent output is unknown
Citations
- —x402 challenge requires USDC payment on base-sepolia with maxAmountRequired of 500000https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9cbd8171bbfe8621867a8
- —Input schema accepts a string 'input' field and returns a string 'response' fieldhttps://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9cbd8171bbfe8621867a8
- —Questflow platform aggregates Polymarket, Pump.fun, OKX, Opinion Labs and other onchain marketshttps://api-dev.intra-tls2.dctx.link
- —Description from x402 challenge: 'Personal use | Powered by Questflow'https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9cbd8171bbfe8621867a8