Discover / predict.memoryapi.org

predict.memoryapi.org

■ Challenge detected

Find prediction market arbitrage across Polymarket, Kalshi, and Manifold.

x402
Base
USDC

Listed price: $0.001
Challenge detected: 9 of the last 9 checks
Median response: 109 ms
Last checked: 16 Oct, 18:49 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://predict.memoryapi.org/x402/predict/platform_arb
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

4 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://predict.memoryapi.org/x402/predict

GET/sports_arb$0.005Find sports betting arbitrage opportunities from The Odds API.
GET/mispricing$0.01Detect prediction market outcome mispricings — find markets where real-world outcome is already determined but market price is wrong
GET/platform_arb?$0.001Find prediction market arbitrage across Polymarket, Kalshi, and Manifold.
GET/platform_arb$0.001Find prediction market arbitrage across Polymarket, Kalshi, and Manifold.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 4 of 4 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/predict.memoryapi.org

Recent checks

4 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
16 Oct, 18:49 UTC	Challenge detected	402	103ms
15 Oct, 11:37 UTC	Challenge detected	402	152ms
14 Oct, 00:19 UTC	Challenge detected	402	79ms
12 Oct, 00:34 UTC	Challenge detected	402	81ms
10 Oct, 10:04 UTC	Challenge detected	402	129ms
9 Oct, 06:42 UTC	Challenge detected	402	105ms
8 Oct, 03:32 UTC	Challenge detected	402	109ms
7 Oct, 03:32 UTC	Challenge detected	402	580ms
4 Oct, 05:04 UTC	Challenge detected	402	110ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for predict.memoryapi.org?

Its listed price is $0.001.

What payment terms does predict.memoryapi.org advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is predict.memoryapi.org listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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