Code402 Public Services — Validation, Data & XDR-1 Receipts

Clean Email Verifier

corner_cutter/clean-email-verifier

Professional email validation tool that checks deliverability and identifies risky or invalid addresses. Validate bulk email lists with detailed status reports. Ideal for lead validation, CRM cleaning, and email marketing campaigns.

Verify emails in bulk without sending mail: syntax, MX, SMTP mailbox probe, catch-all, disposable, role, free & SPF/DMARC/DKIM. Get deliverable/undeliverable/risky verdict + 0-100 score. Clean your lead list before you send. No API key.

Validates IBAN and SWIFT/BIC codes and returns data for routing number for ACH and Wire.

Email Verifier & Validator|0.85$/1k - Bulk Email No API

blessiticus/email-verifier-pro

Verify email addresses in bulk with real SMTP checks. Detect disposable, role-based, and catch-all emails. CSV upload, live progress, smart retries. Cheapest full-SMTP verifier on the Store at $0.85/1k emails. No API key required!

BIN Lookup

greip/bin-lookup

Lookup/validate any Bank Identification Numbers (BINs) and retrieve comprehensive card information including scheme, bank details, and country information. Ideal for payment processing, fraud detection, and card validation.

Bulk Email Verifier & Validator – Mailbox-Level SMTP Check

locomint/bulk-email-verifier

Bulk email verifier and email validator for lead lists: syntax, MX, disposable and catch-all detection, role and free-provider flags, and a live mailbox check that never sends a message. A verdict, reason and 0-100 score for every address, up to 50,000 addresses per run.

Global Liquidity Index — Central Bank Balance Sheets

innocent_goodness/global-liquidity-index

Aggregate balance sheet data from 7 major central banks (Fed, ECB, BOJ, PBOC, BOE, SNB, RBA) into a single Global Liquidity Index in USD. Free public data sources, no API keys required.

Currency converter APIs have two major issues: - Some gap between the free and min paid tier (like 100 vs 5000) - Free tiers provide static rates To overcome them, we made this converter. Initially, we made it for our internal use, but seeing its application, it's now public.

Resolve molecular identifiers across official PubChem, ChEMBL, and ChEBI sources while preserving stereochemistry, salts, ambiguity, and provider disagreements.

🎉 Vies VAT number validation

prog-party/vies-vat-number-validation

This Vies VAT number validation Actor checks if a given VAT number is valid in the EU. A Vies check (VAT Information Exchange System check) is highly recommended and often required for VAT-exempt intra-EU transactions between businesses. Returns isValid, name and address.