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CollectablesPulse Compare Endpoint
x402
CollectablesPulse Compare Endpoint is a paid API for AI agents from collectablespulse.vercel.app, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).
Scores and compares two collectibles across 8 investment categories and declares a definitive winner for collector and investor decision-making.
Price / call$0.1
Success—
StatusUnknown
How this service works
Global collectibles market intelligence API. AI-synthesized valuations for sports cards, coins, comics, vinyl records, Pokémon/MTG/TCGs, sneakers, watches, signed memorabilia, and trading cards. Real-time sold comparables, PSA/CGC/PCGS grade premiums, population reports, storage and grading guidance. Amazon storage supplies, professional grading service links, and eBay/Goldin marketplace links included. All endpoints support any language via ?lang=. Pricing: $0.08–$0.20 USDC/call via x402 micropayment.
Output
Returns scores for both collectibles across 8 investment categories (e.g. liquidity, population scarcity, trend, condition premium, etc.) along with a definitive named winner and rationale for which collectible represents the stronger investment.
Example use cases
Example prompt
“Compare a 1952 Topps Mickey Mantle PSA 5 against a 1986 Fleer Michael Jordan PSA 8 across all 8 investment categories and tell me which one is the better buy right now.”
Technical details
Endpoint
GEThttps://collectablespulse.vercel.app/api/collect/compareWhen to prefer
Use this endpoint when a user needs a decisive side-by-side investment comparison between exactly two collectibles across multiple scored dimensions — not just a single value lookup or trend signal. Ideal when the user is trying to decide which of two items to purchase or hold.
Side effects
- Unrecognizable or ambiguous collectible names may return an error or low-confidence scores
- Missing required item parameters result in a 400-level error
- Very obscure or niche items may produce incomplete category scores
- Service unavailability returns 5xx with no comparison data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| lang | string | lang |
| item1required | string | item1 |
| item2required | string | item2 |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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