USDC Payment Verifier on Base (x402 Proof of Payment)

Email Verifier & Validator

technicaldost/email-verifier

Bulk-verify email deliverability: syntax, MX records, disposable/role/free-provider detection, and a 0-100 deliverability score. Clean your lead lists before you send.

Email check, verify, validate

anchor/email-check-verify-validate

Email Check, verify and validate in seconds: Unlimited

Bulk email verification that only bills decisive answers. Returns valid / invalid / disposable / catch-all / unknown with a confidence score; catch-all and unknown are always free, and duplicates are folded before billing.

Real-time new contract deployment monitor for Base. Detects new smart contracts, analyzes safety scores (0-10), risk factors, and dangerous functions. For security researchers and DeFi protocols.

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.

CMS DMEPOS Supplier Payments Scraper API

pink_comic/cms-dmepos-supplier-utilization-payments

Search CMS annual Medicare DMEPOS supplier utilization and payment aggregates by NPI, supplier, geography, specialty, volume, payment, and DME/POS/drug component.

Base Token Scanner – Trending & New Base Tokens

renzomacar/base-token-scanner

Scan trending, searched, or specific tokens on Coinbase's Base L2 with full DEX metrics (price, liquidity, volume, FDV, txns) from the public DexScreener API. No API key.

Bulk Email Verifier & List Cleaner

juryless_lens/email-verifier

Protect your sender reputation by cleaning your mailing lists in bulk. This Actor validates email syntax, checks DNS MX records to ensure the domain accepts mail, and flags over 30+ known disposable/temporary email providers.

Deterministic honeypot, tax, and contract-risk check for Base/BSC ERC-20 tokens. Grade A-F, is_honeypot, tradeable, evidence flags — one row per token.

Bulk email verifier & validator — verify email addresses, detect invalid & disposable emails, check MX/DNS deliverability, and clean email lists to reduce bounce rates. Optional SMTP mailbox check + name/company enrichment. Batch up to 10,000 emails.