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HALOWERK buerowerk – Baumarkt Mail Quoted Local Review
x402
HALOWERK buerowerk – Baumarkt Mail Quoted Local Review 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).
Validates whether a list of email addresses have syntactically correct quoted local parts (the portion before the @ symbol) per RFC standards
Price / call$0.004
Success—
StatusUnknown
How this service works
HALOWERK buerowerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.
Output
Returns a JSON object containing the review results for each submitted email address, indicating whether the local part (the section before @) is a valid quoted local form per RFC standards, along with per-address detail or status flags.
Example use cases
Pre-send email list hygiene
“I have a batch of 200 email addresses collected from our sign-up form and I want to know which ones have properly formatted quoted local parts before we send any campaign — can you run them through a quoted local part review?”
CRM data quality audit
“We imported contacts from an old system and some emails look weird with quotes and special characters before the @ sign — can you validate these 50 addresses and flag any that have malformed quoted local parts?”
Developer API integration testing
“I'm building a registration form that accepts unusual email formats like quoted local parts — can you check these test email addresses to confirm they'd pass a quoted local review before I go live?”
Technical details
Endpoint
POSThttps://buero.halowerk.com/v1/baumarkt/mail/quoted-local-review?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you specifically need to validate the quoted local part of email addresses (e.g. addresses with special characters or spaces enclosed in quotes before the @), rather than simple syntax or deliverability checks. Useful for RFC 5321/5322 compliance auditing or accepting non-standard but technically valid email formats.
Side effects
- Empty email array returns validation error
- Email strings exceeding 320 characters are rejected
- Array with more than 500 items exceeds maxItems limit
- Malformed JSON body returns 400 error
- Payment not provided or insufficient USDC triggers x402 payment required response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| emails | array |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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