# Dctx Web3 Conversational Trading Agent

> Dctx Web3 Conversational Trading Agent is a paid API for AI agents from api-dev.intra-tls2.dctx.link, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-15).

Accepts a natural language trading message and returns an AI-generated Web3 trading response, billed at $0.50 USDC per call.

## Facts

- Endpoint: POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f0cada9c162996ee719105
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-dev-intra-tls2-dctx-link-e6002860
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_140oGPRAPi3czemalmI3K

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability api-dev-intra-tls2-dctx-link-e6002860 -d '<json body>'
```

Example prompt: Ask the Questflow Web3 trading agent: 'Should I swap my ETH for USDC right now given current market conditions, or hold?' and get back its trading recommendation.

## When to prefer this

Choose this endpoint when you need a conversational AI agent specifically tuned for Web3 and crypto trading that accepts micropayments in USDC; ideal for DeFi strategy queries, on-chain trade advice, and natural language crypto market analysis powered by Questflow.

## Known failure modes

- Insufficient USDC payment — returns 402 Payment Required
- Malformed or missing user message body — returns 400 Bad Request
- Agent service unavailable or overloaded — returns 503
- Invalid QRN or endpoint path — returns 404
- Payment on wrong network (not Base Sepolia) — payment rejected

## How this service works

Conversational Web3 trading agent (powered by Questflow) that accepts a user message and returns a trading response; paid via USDC.

## Output

A natural language trading response from the Questflow-powered Web3 agent, addressing the user's query with relevant trading advice, recommendations, or market commentary.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "message"
 ],
 "properties": {
  "message": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-dev-intra-tls2-dctx-link-e6002860/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api-dev.intra-tls2.dctx.link](https://www.zero.xyz/host/api-dev.intra-tls2.dctx.link/llms.txt)