167 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.
Check an IBAN's format, its country-specific length and its mod-97 check digits, and return it formatted in groups of four. Use before saving bank details or paying out.
Check an ISBN-10 or ISBN-13 check digit and convert valid ISBN-10s to ISBN-13. Hyphens and spaces are ignored. Use before cataloguing or ordering books.
EVM address checksum and validation — check an Ethereum/Base address format before sending funds.
Argentina official gazette (Boletin Oficial) keyword search returning literal excerpts of matching notices with dates and source URLs; an optional date limits the search to that day's notices. Use this when an agent need...
Phone-number intelligence in one call: validity and E.164 normalization, line type (mobile, fixed line, VOIP, toll free, premium rate), country and region, carrier hint, timezones, and a deterministic 0-100 fraud/KYC ris...
Validate and classify an email DOMAIN from public DNS: MX hosts + mail-provider, SPF and DMARC policy, plus disposable / free-webmail / role-account flags and a deliverability signal. No SMTP probing of individual mailbo...
Review a SQL statement before running it against production: a pass / warn / block verdict naming concrete risks (unbounded UPDATE or DELETE, tautological WHERE, DROP, TRUNCATE, statement stacking, privilege changes, cat...
Spanish tax ID validation (DNI/NIF, NIE and company CIF) with check-digit verification. Computed locally; the ID is not stored.
Email validation: syntax, domain MX records and disposable-domain flag. Sends no email; the address is not stored.
Repair broken JSON, typical of LLM output: strips ```json fences, comments and surrounding text, trailing commas, single quotes, unquoted keys, Python True/None and unclosed brackets. Returns the object and clean JSON an...
Wallet balance on Base: the native ETH balance of any address, read live from the chain. Input: address
IBAN validation (ISO 13616 mod-97 and per-country length, SEPA membership; for Spain also the national CCC check digits and bank name). Computed locally, IBAN is not stored.
BIC/SWIFT code validation and parsing: bank, country, location and branch codes, test-code flag.
Validate email addresses: RFC-style syntax checks, IDN domain normalization, live MX lookups with A/AAAA fallback (DNS-over-HTTPS), disposable-domain detection, role-address detection (info@, support@), free-provider fla...
Address checksum (EIP-55). Validate an EVM address and return its EIP-55 checksummed form, saying whether the input was all lower case, all upper case, correctly checksummed or mixed case with a wrong checksum (a likely...
Phone number validation. Validate and format a phone number with the libphonenumber rules: whether it is valid and possible, the E.164 form, international and national formatting, country, calling code and line type (mob...
IBAN validation with ISO 7064 MOD 97-10 checksum - country code, check digits and pass/fail
EVM address checksum and validation — check an Ethereum/Base address format before sending funds.
Validates an IBAN: country prefix, length, segment-by-segment structure and the ISO 7064 MOD 97-10 check digits, recomputing the correct ones when they are wrong. Checked against the SWIFT IBAN Registry, which also yield...
Validates the format of an EU VAT number (VAT ID, USt-IdNr, reverse charge) against the European Commission's published format table: 27 member states plus GB and XI. Format only, never validity - no VIES call, and the r...
Latest-release metadata from the official PyPI JSON API (live): version, license, requires_python compatibility, requires_dist dependency specs (max 100), yanked flag, last upload time and project URLs. Query: ?pkg=reque...
EU VAT number format validation for all member states (plus Spanish check digit). Does not query VIES.
Repair malformed JSON (trailing commas, single quotes, unquoted keys, code fences, truncated output) and optionally validate the result against a supplied JSON Schema. Returns the parsed value, the canonical text, a chan...
Bank account / IBAN verification in one call: ISO 13616 checksum + per-country structure validation, BIC / bank name / branch resolution, country details, SEPA-zone flag, and a deterministic 0-100 fraud/KYC risk score wi...