402cron

Scheduled webhook delivery for AI agents, paid per run in USDC on Base via x402

402cron is a paid cron service that delivers signed HTTP requests to registered HTTPS endpoints on a 5-field cron schedule (UTC, minimum one minute). Payment is per delivery attempt via x402 (HTTP 402) in USDC on Base, with no account or card — a prepaid pack purchase returns a management token tied to the paying wallet. Destinations must pass a one-time challenge verification before delivery. Deliveries carry an HMAC-SHA256 signature, timestamp, and stable delivery id; delivery is at-least-once with up to 3 attempts per execution, a 2-second acceptance timeout, and automatic task pausing after repeated failures. Also exposes an MCP server, OpenAPI 3.1 document, A2A agent card and endpoint, and machine-readable pricing.

Category: APIs & backend
Pricing: usage_based · from $0.0005 per delivery attempt
Free tier: no
API: yes
MCP server: yes
SDK: no
Open source: no

#cron #webhooks #scheduling #x402 #usdc #base #ai agents #mcp

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Listed 2026-10-25 · last verified 2026-10-25 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.95

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API

curl https://toolgrep.com/api/products/402cron