8 Services from api.datasieve.xyz

Sets up a 7-day event-driven monitor on Base chain activity, heartbeat/dead-man switch, cron/schedule, or URL change, pushing HMAC-signed events to a webhook or pollable mailbox.

Smoke-tests an agent's x402 payment stack end-to-end for $0.001, returning payer address, network, and server time with the settlement transaction in the response header.

Creates a 30-day standing watch on Base blockchain events or a dead-man-switch heartbeat, firing webhook alerts up to 200 times, paid per call via x402.

Cryptographically notarizes an arbitrary JSON claim by returning a signed Ed25519 receipt attesting to the content hash and timestamp at the moment of receipt.

Creates a multi-condition blockchain/time/heartbeat watcher on Base that fires webhook alerts when any configured condition triggers, paid per call via x402.

Creates a composite watch (up to 30 conditions) on Base blockchain for wallet activity, token transfers, price crosses, new pairs, heartbeat dead-man switches, and scheduled triggers, with webhook delivery and a 7-day active period.

Creates a shared multi-agent coordination workspace supporting BARRIER (fan-in synchronization) and LOCK (mutual exclusion) primitives for orchestrating concurrent agent workflows.

Parses a 5- or 6-field cron expression and returns the next N upcoming run times in any IANA timezone, plus seconds until the next execution.