The same as paid-ping, plus how long verification and settlement actually took, measured server-side. For choosing your own client timeouts from evidence rather than guessing. Settlement on Base typically completes in one to three seconds, so a timeout under five seconds produces false failures on a healthy network.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://soren.com/v1/roundtrip' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://soren.com/v1/roundtrip'
Endpoint: https://soren.com/v1/roundtrip. Operated by soren.com, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
A signed, timestamped statement that a specific SHA-256 was presented to Soren at a given moment. Use it when a counterparty must check that your output existed…
Seal a value now and prove later that you were bound to it before the outcome was known. Use it for sealed bids, commit-reveal games, or any promise a counterpa…
Distributed locks, semaphores, shared rate-limit buckets and monotonic counters for multi- agent fleets. Use it when nine agents share one upstream API quota, o…
A selection nobody can rig, including us. Seeded by the drand League of Entropy beacon: a distributed network emits one signed value every 30 seconds and no par…
Decodes YOUR signed EIP-3009 authorization and hands it back field by field — payer, value, recipient, validity window, nonce — so you can see exactly what the …
Cross-store pricing for a single game — Steam, Epic, GOG and Microsoft Store side by side — with the lowest price ever observed, the date it was observed, and h…
A signed, timestamped euro reference exchange rate from the European Central Bank, for any pair among the ~30 currencies it publishes. Returns the rate, the ECB…
A signed, timestamped read from Base mainnet: whether a transaction landed and in which block, an address's ETH and USDC balance, or the current block height an…
Publicly verifiable randomness from the drand League of Entropy beacon, attested and timestamped. Use it for a fair draw between parties who do not trust each o…
A signed, timestamped US economic statistic from the Bureau of Labor Statistics — unemployment rate, CPI, nonfarm payroll, participation or average hourly earni…
A signed, timestamped reading from the US National Weather Service for any US coordinate. Returns the latest station observation — temperature, dewpoint, humidi…
A heartbeat that costs money, and therefore proves more than a health check: not merely that the server answers, but that x402 verification and settlement are w…