Halowerk Wakeup Scheduler

x402

Halowerk Wakeup Scheduler is a paid API for AI agents from agent.halowerk.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-13).

Schedules a one-time HTTP POST callback to a caller-supplied public HTTPS URL at a specified future time, with automatic retry on failure and full attempt logging.

Price / call$0.002

Seller volume →—

Success—

StatusUnknown

How this service works

Books a single POST to a URL you own, at a time you name, with a payload you supply. Delivery is retried up to five times with growing gaps and every attempt is recorded with its status. Lead time is between 10 seconds and 30 days, and at most 200 pending wakeups per target URL. The target must be a public https address: private, loopback and link-local addresses are refused, so this cannot be pointed at an internal network.

Output

Returns a wakeup job record including a unique job ID, the scheduled delivery time, the target URL, and a log of each delivery attempt with its HTTP status and timestamp. On failure, up to five retries are made with exponentially growing gaps between attempts.

Example use cases

Resume paused agent after delay

“In 15 minutes, POST {"resume":true,"session":"abc123"} to https://myagent.example.com/continue — keep retrying if the first attempt doesn't land.”

Timed payment reminder webhook

“Schedule a webhook to fire tomorrow at 9am UTC to https://billing.mycompany.com/remind with the payload {"invoice_id":"INV-9901","action":"remind"} so the billing service can send a payment reminder.”

Delay orchestration step in multi-agent pipeline

“I need my orchestration endpoint at https://pipeline.example.com/step/next triggered in 4 hours with the payload {"pipeline_id":"p77","step":3} — make sure it retries if it doesn't respond.”

Technical details

Endpoint

POSThttps://agent.halowerk.com/v1/wakeup

When to prefer

Use this endpoint when an agent or workflow needs to defer execution by triggering a future HTTP POST to a known public endpoint — especially when retry-on-failure and delivery audit logs are required. Prefer this over cron-based alternatives when lead times are short (10 seconds to 30 days) and the target must be a public HTTPS address. Not suitable for internal network callbacks or recurring schedules.

Side effects

Target URL is private, loopback, or link-local — request refused
Target URL is not HTTPS — request refused
Scheduled time is less than 10 seconds or more than 30 days in the future — rejected
Caller has reached the 200 pending wakeup limit for the target URL
All 5 retry attempts exhausted without a 2xx response from target
Target server returns non-2xx on all attempts — logged as failed delivery

Input

Schema · Request body

Field	Type	Description
note	string	Free label carried through.
limit	integer	Maximum entries returned by list.
action	string	What to do.
due_at	string	Absolute time as ISO 8601, e.g. 2026-08-12T09:00:00Z. Either this or delay_seconds.
payload	—	JSON body delivered with the callback. Up to 16 KB.
wakeup_id	string	Required for status and cancel.
target_url	string	Public https URL that receives the POST. Required for schedule and list.
header_name	string	Optional header name sent with the callback, e.g. X-Agent-Token.
header_value	string	Value for that header. Stored as given.
delay_seconds	integer	Relative lead time in seconds. Either this or due_at.

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