Prediction Markets — unified search (Polymarket + Kalshi)
https://mcp.gapup.io/api/v1/call/prediction_markets_searchOverview
Search live prediction markets across Polymarket and Kalshi in one call. Single normalised shape for both venues: question, implied probability 0-1, volume, end date, venue and URL — no need to reconcile two different price formats. Deterministic, no LLM.
Protocol
x402 (POST)
Price
$0.0080
Payment Asset
USDC
Payment Network
base
Category
market-data
Provider
Gapup
Source
self-registered
Indexed
2026-08-08 16:58:52
Health
Status
down
Latency (p50)
95ms
Uptime (30d)
0.0%
Reliability Score
35/100
Last Checked
2026-08-20 03:27:47
Last Healthy
2026-08-10 00:16:58
Consecutive Failures
43
x402 Payment Validation
Payment Requirements
Invalid
Asset Verified
—
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-08-20 03:27:47 | down | 520 | 166ms | HTTP 520 |
| 2026-08-19 21:43:04 | down | 520 | 48ms | HTTP 520 |
| 2026-08-19 18:47:33 | down | 520 | 124ms | HTTP 520 |
| 2026-08-19 11:46:28 | down | 520 | 85ms | HTTP 520 |
| 2026-08-19 03:41:54 | down | 520 | 59ms | HTTP 520 |
| 2026-08-19 01:13:16 | down | 520 | 497ms | HTTP 520 |
| 2026-08-18 15:39:32 | down | 520 | 93ms | HTTP 520 |
| 2026-08-18 10:40:27 | down | 520 | 107ms | HTTP 520 |
| 2026-08-18 06:05:02 | down | 520 | 95ms | HTTP 520 |
| 2026-08-17 22:56:57 | down | 520 | 144ms | HTTP 520 |
| 2026-08-17 17:35:49 | down | 520 | 87ms | HTTP 520 |
| 2026-08-17 13:16:14 | down | 520 | 93ms | HTTP 520 |