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CollectablesPulse Invest Signal
x402
CollectablesPulse Invest Signal is a paid API for AI agents from collectablespulse.vercel.app, paid per call via x402, $0.15/call, status unknown (last checked 2026-09-15).
Returns trend analysis, population-report context, and a buy/hold/sell investment signal for any collectible item.
Price / call$0.15
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 a structured response containing a buy/hold/sell signal, trend analysis showing market direction, and population report context (e.g. PSA/PCGS/CGC census scarcity data) to support investment decisions on the specified collectible.
Example use cases
Vintage comic book investment decision
“I'm thinking about picking up a CGC 8.5 copy of Amazing Fantasy 15 from 1962. Can you give me the buy-hold-sell signal and let me know what the population report says about scarcity at this grade?”
Sports card portfolio rebalancing guide
“Help me figure out if now's a good time to sell my PSA 10 Tom Brady rookie card. I need the trend analysis and investment signal to decide whether to hold or let it go.”
Collectible sneaker valuation for resale
“I just found a graded 1985 Air Jordan 1 in storage. Can you pull the investment outlook and market signal to tell me whether I should list it for sale right now or wait?”
Technical details
Endpoint
GEThttps://collectablespulse.vercel.app/api/collect/investWhen to prefer
Use this endpoint when an agent or user needs an actionable buy/hold/sell investment signal backed by trend analysis and population report context for a specific collectible. Prefer this over the general value endpoint when the goal is investment decision-making rather than simple price lookup, and over the comparison endpoint when evaluating a single item rather than two side-by-side.
Side effects
- Unrecognized collectible item returns error or low-confidence signal
- Missing required item identifier results in 400 bad request
- Payment not received results in 402 Payment Required
- External census/population data temporarily unavailable causing degraded response
- Highly obscure items may return insufficient data for a confident signal
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| itemrequired | string | item |
| lang | string | lang |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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