Discover / www.retcg.xyz

Re:TCG Appraise

■ Challenge detected

Trading-card appraisal: raw and every grader×grade (PSA/BGS/CGC/SGC) in USD, EUR, USDC, EURC, GBP, JPY, ETH, SOL and BTC, each with its source, n and window; the set's lifecycle phase, measured 30-day momentum and heat; projections through the phases ahead; PnL net of venue fees; break-even; EIP-712 signed. Pokémon only for now.

x402
Base
EVM chain 5042
Polygon
Solana
USDC

Listed price: $0.02
Challenge detected: 8 of the last 9 checks
Median response: 123 ms
Last checked: 16 Oct, 23:40 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://www.retcg.xyz/api/appraise/:id
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1 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.

GEThttps://www.retcg.xyz/api/appraise/:idNo price listedTrading-card appraisal: raw and every grader×grade (PSA/BGS/CGC/SGC) in USD, EUR, USDC, EURC, GBP, JPY, ETH, SOL and BTC, each with its source, n and window; the set's lifecycle phase, measured 30-day momentum and heat; projections through the phases ahead; PnL net of venue fees; break-even; EIP-712 signed. Pokémon only for now.

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

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/www.retcg.xyz

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, 23:40 UTC	Challenge detected	402	213ms
15 Oct, 19:10 UTC	Challenge detected	402	102ms
14 Oct, 12:00 UTC	Challenge detected	402	74ms
12 Oct, 06:05 UTC	Challenge detected	402	154ms
10 Oct, 15:44 UTC	Challenge detected	402	66ms
9 Oct, 12:40 UTC	Challenge detected	402	82ms
8 Oct, 09:33 UTC	Challenge detected	402	160ms
7 Oct, 03:32 UTC	Challenge detected	402	144ms
4 Oct, 05:04 UTC	No challenge detected	400	80ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 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 Re:TCG Appraise?

Its listed price is $0.02.

What payment terms does Re:TCG Appraise advertise?

The listing advertises x402, Base, EVM chain 5042, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Re:TCG Appraise listed?

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

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