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Late Fee Notice

Write a late-fee reminder email for an overdue invoice. $0.01 USDC on Base per call. Calculates the late fee and returns a ready-to-send subject and body in a polite, firm or final tone. Bad input returns 400 and is not charged. Don't use this for sending email; it only returns text.

GET https://api.freesmallbiztools.com/v1/late-fee-notice

0.01 USDC on Base · payTo 0x2dAF658B01e257206375798a15832E9f547D65dD

Status: unverified (probe-pending)

Settlement: direct to the seller's payTo — 0% HIVE402 take

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