# xx402 Bitcoin 15-Minute Resolved Prediction Market Feature Sample

> xx402 Bitcoin 15-Minute Resolved Prediction Market Feature Sample is a paid API for AI agents from x402.xx402.icu, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-25).

Returns resolved Bitcoin 15-minute Up/Down prediction market data with labeled feature snapshots, risk breakdowns, and buyer/seller playbook guidance for autonomous trading agents.

## Facts

- Endpoint: GET https://x402.xx402.icu/api/btc15-resolved-feature-sample?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-25
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/xx402-bitcoin-15-minute-resolved-prediction-market-feature-sample-297c18f8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_aFDG4KakEb4zOehYJTjEA

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 xx402-bitcoin-15-minute-resolved-prediction-market-feature-sample-297c18f8
```

Example prompt: Pull me a sample of 6 resolved Bitcoin 15-minute Up/Down prediction markets — include only markets where DOWN won, with 8 snapshots per market — so I can calibrate my risk model.

## When to prefer this

Choose this endpoint when you need resolved, labeled Bitcoin 15-minute Up/Down prediction market data with feature snapshots and structured risk/priority queues for agent calibration, backtesting, or decision support. It is purpose-built for autonomous agents and risk tools that operate on short-interval BTC prediction markets via x402 micropayment protocol, unlike generic price feeds or long-interval market data endpoints.

## Known failure modes

- limit exceeds maximum of 12 — returns validation error
- snapshots_per_market exceeds maximum of 24 — returns validation error
- payment not completed via x402 protocol — returns 402 Payment Required
- invalid winner enum value — returns 400 bad request
- service unavailable or collector database offline — returns 5xx error

## How this service works

Paid Base token, wallet, DeFi, chain-read, x402 buyer/seller discovery, and specialized Bitcoin 15-minute Up/Down prediction-market data packets for autonomous agents and risk tools.

## Output

Returns a JSON object containing: a summary, purchase acceptance status, buyer next action, next paid call guidance, decision evidence, repeat purchase guard, BTC15 buyer playbook, data contract details, feature sample decision, priority/review/avoid queues, risk breakdown, bucket counts, next products, labeled markets with outcomes, a feature dictionary, quality summary, and source status — all scoped to resolved Bitcoin 15-minute Up/Down prediction markets.

## Response schema (JSON Schema)

```json
{
 "keys": [
  "summary",
  "purchase_acceptance",
  "buyer_next_action",
  "next_paid_call",
  "decision_evidence",
  "repeat_purchase_guard",
  "btc15_buyer_playbook",
  "data_contract",
  "feature_sample_decision",
  "priority_queue",
  "risk_breakdown",
  "review_queue",
  "avoid_queue",
  "bucket_counts",
  "next_products",
  "labeled_markets",
  "feature_dictionary",
  "quality_summary",
  "source_status",
  "sources"
 ],
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/xx402-bitcoin-15-minute-resolved-prediction-market-feature-sample-297c18f8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.xx402.icu](https://www.zero.xyz/host/x402.xx402.icu/llms.txt)