Loops

One sender for both kinds of email.

What it is sold for

Sending product and marketing email from the same place.

Named alongside

These entries mention each other by name. It is a weak relationship and it is the only one the catalogue can show without inventing something.

Named by:

• Wiggum CLI
  An open autonomous agent that scans a stack, generates specifications through interviews, and works from them.
• agx
  Runs coding agents as long-lived workers with objectives and memory, so a session survives being interrupted.
• Agent Cost Guardrails
  Budget limits for agent frameworks, so a loop that misbehaves stops at a number instead of at an invoice.

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.
• Hunter.io
  Finds and verifies professional email addresses from a domain, one of the older tools in this category.

All 29 in payments and messaging