www.retcg.xyz

Route probed: GET https://www.retcg.xyz/api/appraise/:id
Category: eat:onchain/crypto data (tags: nft) · Status: listing listed, probe active · Listing: 0.02 USD, 1 payers / 1 calls (30d, Bazaar) · Listed in: 402index, agentic-market, cdp-bazaar
Last probe: 2026-10-23T19:24:14Z (5 min ago) · Recent valid 402: 4/4 · p50 311 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.

Badge:

Paid test-buys

None yet.

402 challenge checks (since 2026-10-23T15:54:29Z)

3 valid 402s checked: terms consistent 3, Base USDC offered 3, price matches listing 3 (differs 0), payTo changed vs previous probe 0.

Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)

Receipt	UTC time	Method	Status	Valid 402	ms	Listed amount (atomic)	Quoted amount (atomic)	Quoted payTo	Header bytes	Response sha256	Signed	Route	Checks
f7fa785e05907b295d76	2026-10-23T19:24:14Z	GET	402	yes	301	20000	20000	0xb7e178E9…	5060	b1deff1bda6210f6	per-receipt	primary	terms ok · Base USDC
9bb7c21ae4badfe95a43	2026-10-23T17:36:16Z	GET	402	yes	274	20000	20000	0xb7e178E9…	5060	b1deff1bda6210f6	per-receipt	primary	terms ok · Base USDC
d5f265f3a9acc38814f8	2026-10-23T15:54:29Z	GET	402	yes	1193	20000	20000	0xb7e178E9…	5060	b1deff1bda6210f6	per-receipt	primary	terms ok · Base USDC
de9f65e1d4bc318ad9ad	2026-10-23T12:44:38Z	GET	402	yes	311	20000	20000	0xb7e178E9…	5060	b1deff1bda6210f6	snapshot	primary

Other listed routes

https://www.retcg.xyz/api/appraise/:id Pokémon card appraisals, $0.02 a call in USDC on Arc, Base, Polygon or Solana. Raw and every PSA/BGS/CGC/SGC grade in 9 currencies, each with source, sample siz (cdp-bazaar)
GET https://www.retcg.xyz/api/appraise/pokemon:sv3pt5-199 Raw and graded trading-card appraisals for $0.02 a call, paid in USDC on Arc, Base, Polygon or Solana (x402). One call returns every condition of a Pokémon card (402index)

Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).