Compare

How coss.com compares with the services you may use today, side by side, with the date every fact was checked and where it came from.

Comparisons

vs ResendResend and coss.com cover much of the same email ground. coss.com puts sub-accounts, sandbox environments and SMS on the same key.
vs SendGridSendGrid is a mature email API with a separate marketing suite. coss.com puts sending, marketing, receiving and sub-accounts in one API.
vs PostmarkPostmark is built for application email and does it well. coss.com adds contacts, audiences, per-customer sub-accounts and SMS on the same key.
vs MailgunMailgun is a sending API with flexible inbound routes and deliverability add-ons. coss.com adds marketing email, agent inboxes and logs on every plan.
vs Amazon SEScoss.com sends through Amazon SES. SES is the lower-level, lower-cost building block; coss.com adds what SES leaves to you.
vs TwilioTwilio reaches more channels and sender types worldwide. coss.com is SMS next to email and Verify, with registration done for you.
vs Twilio VerifyTwilio Verify has more channels and languages. coss.com Verify is SMS and email codes with a fraud guard that runs before anything is sent.
vs SvixSvix is the more complete webhooks service. coss.com Hooks covers the core, with a portal, on the API key you use for everything else.
vs AgentMailAgentMail is a fuller email client for agents. coss.com Inboxes gives agents threads and replies on the platform that also sends your email and SMS.
vs DocuSignDocuSign covers more signature levels, compliance programs and integrations. coss.com Sign puts embedded, sealed e-signatures on your API key.
vs FormspreeFormspree has more integrations and keeps submissions longer. coss.com Forms screens every submission with Risk and feeds your contacts.

Compare with real code.

Add coss.com to this project: read https://coss.com/llms.txt, get a development key with `npx coss-cli init --agents`, and build and test with it.