Hunter.io

The incumbent everyone else is compared to.

What it is sold for

Finding a contact address at a company.

Same shelf

The rest of payments and messaging, alphabetically. Sharing a category is a filing decision, not a relationship.

• Ably
  Hosted realtime messaging with delivery guarantees and presence, sold on what happens when connections drop.
• Anymail finder
  Finds work email addresses from a name and a domain, and charges only for the ones it can verify.
• Applozic did not answer
  Chat and messaging SDKs. The site presents an expired or misconfigured certificate and would not load.
• Braintree
  PayPal's payment platform for merchants who need cards, wallets and PayPal behind one integration.
• EasyPost
  One API across many carriers for rates, labels and tracking.
• FormSpree
  A form backend for static sites, so an HTML form can submit without any server behind it.
• Heybounce
  Email validation before sending, protecting sender reputation from hard bounces.
• Imitate Email
  Captures outbound mail in development so a test run cannot reach a real inbox.

All 29 in payments and messaging