All projects on Base matching “testnet”

Buy Sepolia ETH with Base or Solana USDC at $0.1 per testnet ETH

Use before paying an x402 endpoint you have not used before, when you cannot tell a working seller from a trap, a testnet address dressed as mainnet, or a listing whose price no longer matches its challenge. Returns a verdict — live, degraded, trap, testnet or dead — a 0-100 risk score, and the specific findings behind both, so an agent can decline a bad endpoint instead of learning about it by lo

Redeem a room invite ($0.01 USDC, testnet only) — the verified payer becomes a viewer of the inviting org

Check any x402 paid endpoint before paying it: does it return a valid 402 challenge, which networks/tokens/prices it accepts (decoded to USD), whether amounts are valid atomic units, payTo sanity, testnet-only offers, missing Bazaar input schema, redirects and latency. Returns a verdict (payable / payable with warnings / broken / unreachable) and the exact problems. Useful for agents choosing betw

Market-level summary of the x402 agent economy from the full Bazaar catalogue: total services and endpoints, 30-day paid calls, estimated USDC volume, demand by category, network mix and the top 15 services. Testnet and self-test listings are excluded. Use this for the big picture in one call; for a full ranked list use x402-services, to find a specific API use x402-search.

On-chain state of ALST, the alest.io token for a tokenized Tesla Cybercab robotaxi (real-world asset). Name, symbol, decimals and total supply read live from Base Sepolia testnet.

[SAMPLE / TEST CONTENT] [$0.20 per article (USDC on Base mainnet; SAMPLE / TEST CONTENT, not a published article)] ATK Magazine EXAMPLE (draft, not published): [EXAMPLE] SIGNAL: ResearchAgent pays writers per article with x402 v2 on XRPL Testnet. Returns a JSON excerpt/placeholder of one example article.

TESTNET ONLY: prove the KlearFlow recover_revenue x402 capability through the PayAI facilitator using test USDC.

Lint any x402 endpoint before you pay it: fetches the unpaid 402 challenge (v1 body or v2 PAYMENT-REQUIRED header), decodes price/network/asset/payTo, flags non-USDC assets, testnets, missing bazaar metadata and malformed fields.

capability_id=decision_readiness.event_confirmation.v1; determines whether authoritative evidence is sufficient to confirm a supported event before an autonomous agent continues. Current scope: Compound Governor proposal execution confirmation. Payment alternatives: Base mainnet or Solana mainnet native USDC; select one for one assessment. testnet_only=false; mainnet_supported=true.

Purchase large amounts of testnet USDC instantly.