Pay-per-query financial datasets agent via x402 on Base Sepolia, powered by Questflow.
What it does
Financial Datasets is an x402-enabled agent endpoint hosted on Questflow's developer API. It accepts a text prompt (POST with an "input" string field) and returns a text response containing financial data or analysis. Payment is handled via the x402 protocol on the Base Sepolia testnet using USDC, with a maximum charge of 0.1 USDC per request (100000 units in 6-decimal USDC).
The endpoint is part of Questflow's broader AI agent platform, which aggregates data from multiple onchain and offchain markets. However, the specific capabilities of this "Financial Datasets" agent — such as which datasets it covers, what financial instruments or markets it supports, and the depth of its responses — are not documented beyond the generic agent schema. The output schema indicates a simple request/response pattern: you send a string message and receive a string response.
Because there is no OpenAPI spec, no dedicated documentation page, and no example responses available, the exact scope and quality of the financial data returned is unknown. The endpoint is currently on a development/testnet infrastructure (api-dev, base-sepolia), suggesting it may not be production-ready. Callers should treat this as an experimental endpoint.
Capabilities
Use cases
- —Querying financial market data or summaries via natural language prompts
- —Integrating pay-per-query financial information into autonomous agent workflows
- —Prototyping x402-based micropayment data access on Base Sepolia testnet
Fit
Best for
- —Developers experimenting with x402 payment protocol for data access
- —Agent-to-agent financial data retrieval in testnet environments
- —Quick natural-language financial data lookups without API key management
Not for
- —Production financial data needs requiring guaranteed SLAs and documented schemas
- —High-frequency or bulk data retrieval (single request/response pattern, testnet only)
- —Users needing detailed documentation or known dataset coverage
Quick start
curl -X POST https://api-dev.intra-tls2.dctx.link/x402/agent/qrn:agent:6891bd58092f17ff446a3b4c \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>" \
-d '{"input": "What is the current price of ETH?"}'Example
Request
{
"input": "What is the current price of ETH?"
}Response
{
"response": "The current price of ETH is $3,450.12 as of the latest available data."
}Endpoint
Quality
The endpoint has a valid x402 challenge with a minimal output schema, but there is no OpenAPI spec, no documentation, no example responses, and no details on which financial datasets are actually available. The response example above is entirely inferred. The endpoint runs on testnet dev infrastructure.
Warnings
- —No OpenAPI or dedicated documentation available — agent capabilities are unknown beyond the generic schema.
- —Endpoint is on development infrastructure (api-dev) and Base Sepolia testnet — not production-ready.
- —Example response is fabricated/inferred; actual response format and content are unverified.
- —The description 'Financial Datasets' is extremely generic with no specifics on coverage, freshness, or data sources.
Citations
- —Payment is via x402 on base-sepolia using USDC with maxAmountRequired of 100000https://api-dev.intra-tls2.dctx.link/x402/agent/qrn:agent:6891bd58092f17ff446a3b4c
- —The endpoint accepts a POST with an 'input' string field and returns a 'response' string fieldhttps://api-dev.intra-tls2.dctx.link/x402/agent/qrn:agent:6891bd58092f17ff446a3b4c
- —Questflow aggregates data from Polymarket, Pump.fun, OKX, Opinion Labs and other onchain marketshttps://api-dev.intra-tls2.dctx.link
- —Description from x402 challenge: 'Financial Datasets | Powered by Questflow'https://api-dev.intra-tls2.dctx.link/x402/agent/qrn:agent:6891bd58092f17ff446a3b4c