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HALOWERK buerowerk — Baumarkt Removed CSV Export
x402
HALOWERK buerowerk — Baumarkt Removed CSV Export is a paid API for AI agents from buero.halowerk.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-22).
Accepts a list of email addresses and exports a CSV of contacts removed from a hardware-store (Baumarkt) mailing list
Price / call$0.004
Success—
StatusUnknown
How this service works
HALOWERK buerowerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.
Output
A JSON response containing a CSV-formatted export identifying which of the submitted email addresses have been removed from the Baumarkt mailing list, suitable for list hygiene, compliance, or CRM cleanup purposes.
Example use cases
Mailing list hygiene audit
“Can you pull a CSV export of all the email addresses that have been removed from our hardware store newsletter? Here's the full list of emails we want to check: john@example.com, jane@example.com, bob@example.com.”
Unsubscribe compliance reporting
“We need to produce a removal report for our Baumarkt email campaign to stay compliant — please export which of these contacts have been opted out or removed into a CSV format.”
CRM cleanup after campaign
“After last month's Baumarkt campaign, I want to clean up our CRM by identifying which emails from this list of 200 addresses were removed — can you run an export so we know who to archive?”
Technical details
Endpoint
POSThttps://buero.halowerk.com/v1/baumarkt/mail/removed-csv-export?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a programmatic, paid-per-call export of removed or unsubscribed email contacts from a Baumarkt (hardware store) mailing list managed by HALOWERK, especially when processing batches of up to 500 emails at a time via the x402 micropayment protocol on Base Mainnet.
Side effects
- Empty or malformed email array returns validation error
- More than 500 emails in the array exceeds the maxItems limit and returns a 400 error
- Individual email strings exceeding 320 characters are rejected
- Payment not fulfilled via x402 protocol results in 402 Payment Required
- Malformed email strings may be silently ignored or cause partial results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| emails | array |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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