{"uid":"cap_3IytyyQJVNyJeBu_2VNJK","slug":"ishob-scheduled-webhook-alarm-a47fdf8e","name":"ISHOB Scheduled Webhook Alarm","description":"Schedule a signed webhook to wake an AI agent later: ISHOB POSTs your JSON payload to your https callback at deliver_at or after delay_seconds (60 s to 30 days ahead), retrying failed deliveries (1, 5, 15, 30, 60 min). Each delivery carries X-ISHOB-Signature (HMAC-SHA256 with the signing_secret returned once). Free status: GET /v1/alarm/{id}; free cancel: POST /v1/alarm/{id}/cancel. Charged only when the alarm is accepted.","url":"https://api.ishob.com/v1/alarm?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"payload":{"type":"object","description":"JSON object sent back on delivery (max 8192 bytes)"},"deliver_at":{"type":"string","maxLength":40,"description":"Or an absolute time: ISO-8601 with timezone (2026-10-15T14:00:00Z) or Unix seconds; 60 s to 30 days ahead"},"retry_count":{"type":"integer","default":3,"maximum":5,"minimum":0,"description":"Retries after a failed delivery"},"callback_url":{"type":"string","format":"uri","maxLength":2048,"description":"Public https URL that receives the POST"},"delay_seconds":{"type":"integer","maximum":2592000,"minimum":60,"description":"Deliver this many seconds from now (60 to 2592000). Use this or deliver_at"}}},"responseSchema":{"type":"json","example":{"status":"scheduled","success":true,"alarm_id":"alarm_8f92a0d1c3b54e6f9a7d2c1b0e4f5a6b","status_url":"/v1/alarm/alarm_8f92a0d1c3b54e6f9a7d2c1b0e4f5a6b","scheduled_for":"2026-10-15T14:00:00Z","signing_secret":"whsec_..."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hvAbD7XW1EhY6tn2hzb6W","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Schedules a signed webhook that POSTs a JSON payload to a callback URL at a specified future time, with automatic retries on failure","exampleAgentPrompt":"Schedule a webhook alarm to POST this JSON payload to https://myapp.example.com/wake with a 300-second delay and 3 retries if delivery fails.","exampleUseCases":[{"title":"Delayed agent wakeup after task","prompt":"Set an alarm to wake me up in 10 minutes by POSTing this JSON — {\"task\":\"summarize_emails\",\"run\":true} — to https://myagent.example.com/resume, with 3 retries if it fails."},{"title":"Scheduled reminder at exact time","prompt":"Schedule a signed webhook to hit https://crm.example.com/follow-up at 2026-11-01T09:00:00Z with payload {\"contact_id\":\"c_123\",\"action\":\"send_reminder\"} and allow up to 5 retries."},{"title":"Time-boxed workflow step trigger","prompt":"I need you to fire a callback to https://pipeline.example.com/next-step in exactly 3600 seconds carrying the payload {\"pipeline_id\":\"p_99\",\"step\":\"validate\"}, with 2 retry attempts if the first delivery fails."}],"resultDescription":"Returns a JSON object with alarm_id (unique identifier), status ('scheduled'), scheduled_for (ISO-8601 timestamp of planned delivery), status_url (path to check alarm status for free), and signing_secret (HMAC-SHA256 secret for verifying incoming webhook authenticity — shown only once).","failureModes":["callback_url is not a valid public HTTPS URL — request rejected","deliver_at and delay_seconds both omitted or both provided — ambiguous scheduling","delay_seconds outside 60–2592000 range — validation error","payload exceeds 8192 bytes — rejected","All retries exhausted if callback endpoint returns non-2xx repeatedly","Invalid ISO-8601 or Unix timestamp in deliver_at — parse error"],"whenToPreferThis":"Choose this endpoint when an AI agent or automation needs to defer execution or re-trigger itself after a specific delay or at a precise future time, especially when reliable signed delivery and automatic retry logic are required. Ideal for agentic workflows where the agent must sleep, for scheduling reminders, or for orchestrating multi-step pipelines with time gaps — without running your own cron infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:46:19.787Z","isFirstParty":false,"canonicalSlug":"ishob-scheduled-webhook-alarm-a47fdf8e"}