A demo HTTP API that exposes free and paid endpoints using x402 payments on Base and Base Sepolia, including weather responses, exact-price payments, up-to authorizations, and SSE monetization flows.
As parsed from wallets-demo-seller-server.agent-payments-testing.workers.dev/ on 2026-10-06.
Explore the market
Prices and medians update for the tier you select.
Compare at
x402 Seller Server · Pro
No Pro plan
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Pro-API median
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insufficient comparable pricing
vs Pro APIs
No comparison
x402 Seller Server doesn't sell Pro
ⓘ Comparisons are same provider type (API) and same buyer tier (Pro). Never across tiers.
Market density
28th pctile
28 competing vendors
Comparable listings · 30d
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Price spectrum · Pro plans · 3 of 7 providers priced · log scale · $4.99 → $99/mo
APIs◻ shaded = middle 50% · line = median (all types)x402 Seller Server has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches x402 Seller Server's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.