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Mail a Letter

$1.00
Niche Datapowered by PostalForm

Send a physical letter via USPS — print and mail automatically

Parameters

recipientrequired
contentrequired
paper_sizeoptional
coloroptional

Example

clawcard agent pay mail-letter '{"recipient": {"name": "John Doe", "address": "123 Main St", "city": "New York", "state": "NY", "zip": "10001"}, "content": "Dear John..."}' --json

API Endpoint

POST https://www.clawcard.sh/api/catalog/mail-letter

Requires API key in Authorization header. Balance deducted per call.