Pay-per-message AI agent endpoint on Questflow's swarm platform (Base Sepolia testnet)
What it does
This is an x402-enabled endpoint hosted by Questflow that exposes a conversational AI agent via HTTP POST. You send a text message in the `input` field and receive a text `response` from the agent. Payment is handled through the x402 protocol using USDC on the Base Sepolia testnet, with a max amount of 500,000 units (likely 0.50 USDC given 6-decimal USDC) per request.
Questflow is a platform for creating autonomous AI "Clones" that aggregate onchain markets (Polymarket, Pump.fun, OKX, Opinion Labs) to discover alpha, execute trades, and generate revenue. This specific endpoint appears to be a personal-use agent within Questflow's swarm infrastructure, identified by the QRN `qrn:swarm:68f5948b93d1a55ee56c7524`. The endpoint is live and returns a proper 402 challenge with an outputSchema describing the expected input/output contract.
Documentation is extremely sparse — there is no OpenAPI spec, no dedicated docs page, and the endpoint's title is simply "Personal use." The crawled landing page describes Questflow's broader product (AI Clones for market trading) but provides no specific documentation for this agent's capabilities, personality, or domain expertise. Consumers should treat this as an opaque chat agent with unknown specialization.
Capabilities
Use cases
- —Sending paid queries to a Questflow AI agent and receiving text responses
- —Integrating an x402-payable conversational agent into an automated workflow
- —Testing x402 payment flows on Base Sepolia testnet
Fit
Best for
- —Developers experimenting with x402 payment protocol on testnet
- —Agents that need a pay-per-call conversational endpoint
- —Exploring Questflow's swarm agent infrastructure
Not for
- —Production workloads requiring mainnet payments and SLAs
- —Users needing well-documented, specialized domain APIs
- —Anyone expecting free or API-key-authenticated access
Quick start
curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f5948b93d1a55ee56c7524 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-header>" \
-d '{"input": "Hello, what can you do?"}'Example
Request
{
"input": "Hello, what can you do?"
}Response
{
"response": "I can help you with various tasks. How can I assist you today?"
}Endpoint
Quality
The endpoint is live and returns a valid 402 challenge with an outputSchema, but there is no OpenAPI spec, no documentation, and the agent's purpose is described only as "Personal use." The response format is inferred solely from the outputSchema. Questflow's landing page describes a broader product but nothing specific to this endpoint.
Warnings
- —No API documentation or OpenAPI spec available
- —Agent purpose and capabilities are completely undocumented — title is only 'Personal use'
- —Payment uses Base Sepolia testnet (not mainnet) — this may be a development/test endpoint
- —Response example is fabricated from the outputSchema; actual agent behavior is unknown
- —The endpoint URL contains 'api-dev' and 'intra-tls2', suggesting an internal development environment
Citations
- —Endpoint returns a 402 challenge with x402Version 1, accepting USDC on base-sepolia with maxAmountRequired 500000https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f5948b93d1a55ee56c7524
- —The outputSchema specifies a POST method with an 'input' string field and a 'response' string outputhttps://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f5948b93d1a55ee56c7524
- —Questflow is a platform for AI Clones that aggregate onchain markets including Polymarket, Pump.fun, OKX, and Opinion Labshttps://api-dev.intra-tls2.dctx.link
- —The endpoint description from the 402 challenge is 'Personal use | Powered by Questflow'https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f5948b93d1a55ee56c7524