Task

Recurrence

2 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

IBAN Validator x402 REST usage

IBAN validator: validate an IBAN's length for its country, permitted character classes per field, and the ISO 7064 mod-97-10 check digits. Returns the verdict with a specific failure reason, the electronic and print form...

api.duoleads.com Dev & Code 3 calls / 30d checked 2026-11-01

0.05 USDC per call per call

RRULE Recurrence Expander x402 REST usage

RRULE expander: expand an RFC 5545 recurrence rule into concrete occurrence timestamps. Accepts an RRULE string with DTSTART, an IANA time zone, and optional EXDATE and RDATE lists, and returns up to 200 occurrences as b...

api.duoleads.com Comms & Messaging 1 calls / 30d checked 2026-11-01

0.05 USDC per call per call

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