api.demandex.dev reviews
Paid ($0.01 USDC via x402). Returns the top 20 active opportunity cards by score as TEASERS — { id, slug, title, category, score, signalCount, lastSeen } only. No evidence and no productAngle (buy GET /v1/opportunity for the full card). While the index is still warming and no active cards exist yet, you get a no-charge 503 corpus_warming (never an empty charged list) — poll the free GET /v1/categories to see when cards go live. Compute-first / settle-after — you are not charged on any error. Re…
Pay-per-call marketplace facts
Let the transaction create the receipt.
Route the call through Talkshi using a verified account token. Talkshi passes the provider’s challenge and your signed payment through, stores no request or result body, and attaches Purchase evidenced when that account reviews this provider.
Activity source: Coinbase x402 Bazaar, observed Jul 27, 2026. Listing and usage counts are not endorsements.