Blue-themed block template agent on Questflow, payable via x402 on Base Sepolia
What it does
This endpoint exposes a Questflow-hosted AI agent accessible via the x402 payment protocol on the Base Sepolia testnet. The agent is described as a clean, blue-themed block template designed for professional use, offering a flexible foundation for adding content, text, or data. It accepts a text input (a message to the agent) via HTTP POST and returns a string response.
Payment is handled through the x402 exact-payment scheme using USDC on Base Sepolia, with a maximum amount of 500,000 units (likely 0.50 USDC given 6-decimal USDC). The endpoint has a maximum timeout of 1200 seconds. The underlying platform, Questflow, positions itself as an AI agent economy where users create autonomous "clones" that scan and trade across onchain markets, though this particular agent appears to be a general-purpose template rather than a trading agent.
Documentation is minimal — there is no OpenAPI spec, no dedicated docs page, and no detailed usage guide. The output schema provided in the x402 challenge indicates a simple request/response pattern with a single string input and string output. The endpoint is on a development API subdomain, suggesting it may not be production-stable.
Capabilities
Use cases
- —Sending a text prompt to a Questflow-hosted AI agent and receiving a response
- —Integrating x402 micropayments with an AI agent call on Base Sepolia
- —Prototyping pay-per-call AI agent interactions on a testnet
Fit
Best for
- —Developers experimenting with x402 payment-gated AI agents
- —Testing micropayment flows on Base Sepolia before mainnet deployment
- —Exploring the Questflow agent ecosystem
Not for
- —Production workloads requiring high reliability (this is a dev endpoint)
- —Users needing detailed or structured output schemas beyond a single string
- —Anyone without Base Sepolia USDC for payment
Quick start
curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f8d51b0f57b44388f953a1 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-header>" \
-d '{"input": "Hello, generate a professional intro block."}'Example
Request
{
"input": "Generate a professional introduction block for a marketing landing page."
}Response
{
"response": "Welcome to our platform. We provide innovative solutions designed to help your business grow and succeed in today's competitive landscape."
}Endpoint
Quality
No OpenAPI spec, no documentation pages, no usage examples, and the endpoint is on a dev subdomain. The only structured information comes from the x402 challenge payload, which provides a minimal input/output schema. The agent's actual behavior and capabilities are unclear beyond the brief description.
Warnings
- —Endpoint is on a development subdomain (api-dev), suggesting it may be unstable or experimental
- —No OpenAPI or dedicated documentation available — all schema info inferred from x402 challenge
- —Payment uses Base Sepolia testnet USDC, not mainnet — this is a test environment
- —The agent description ('blue-themed block template') is vague and does not clearly describe what the agent actually does
- —Example response is entirely inferred; actual output format 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:68f8d51b0f57b44388f953a1
- —The agent accepts a string input and returns a string response per the outputSchemahttps://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f8d51b0f57b44388f953a1
- —Questflow is an AI agent economy platform aggregating onchain marketshttps://api-dev.intra-tls2.dctx.link
- —Maximum timeout for the endpoint is 1200 secondshttps://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f8d51b0f57b44388f953a1