{"ok":true,"site":{"host":"lettermint.co","url":"https://lettermint.co/","type":"live","category":"Developer Tools","desc":"Lettermint is a European transactional email service running on its own infrastructure, exclusively in the EU. GDPR compliant, ISO 27001 certified, with API, SMTP and SDKs. Free plan with 300 emails…","tools":[{"name":"search_knowledge_base","kind":"answer","impl":"imperative","description":"Search the Lettermint knowledge base (help articles about the transactional email service: sending, deliverability, domains, DNS, API, account). Returns matching articles with title, category, URL and excerpt.","title":"Search the Lettermint knowledge base","annotations":{"readOnlyHint":true},"inputSchema":{"type":"object","properties":{"query":{"type":"string","description":"Search keywords, e.g. \"SPF record\" or \"API key\""}},"required":["query"]},"hasHandler":true,"hasExecute":true,"__source":"spec","executable":true,"handlerField":"execute"},{"name":"estimate_pricing","kind":"answer","impl":"imperative","description":"Estimate the monthly cost of sending transactional email with Lettermint. Returns the price in EUR for each plan (Starter, Growth, Pro) at the given volume, the recommended plan, and the rate for extra emails.","title":"Estimate Lettermint pricing","annotations":{"readOnlyHint":true},"inputSchema":{"type":"object","properties":{"emails_per_month":{"type":"number","description":"Expected number of emails sent per month, e.g. 50000"}},"required":["emails_per_month"]},"hasHandler":true,"hasExecute":true,"__source":"spec","executable":true,"handlerField":"execute"},{"name":"get_latest_changelog","kind":"answer","impl":"imperative","description":"Get the most recent Lettermint product updates from the changelog, newest first. Returns title, description, publication date and URL per update.","title":"Latest Lettermint product updates","annotations":{"readOnlyHint":true},"inputSchema":{"type":"object","properties":{"limit":{"type":"number","description":"Number of updates to return, 1-10 (default 5)"}}},"hasHandler":true,"hasExecute":true,"__source":"spec","executable":true,"handlerField":"execute"},{"name":"get_latest_blog_posts","kind":"answer","impl":"imperative","description":"Get the most recent posts from the Lettermint blog (articles about transactional email, deliverability and the product), newest first. Returns title, description, publication date and URL per post.","title":"Latest Lettermint blog posts","annotations":{"readOnlyHint":true},"inputSchema":{"type":"object","properties":{"limit":{"type":"number","description":"Number of posts to return, 1-10 (default 5)"}}},"hasHandler":true,"hasExecute":true,"__source":"spec","executable":true,"handlerField":"execute"},{"name":"get_roadmap","kind":"answer","impl":"imperative","description":"Get the Lettermint product roadmap: features that are planned, in progress or done. Optionally filter by status. Returns title, description, status, category and URL per item.","title":"Lettermint product roadmap","annotations":{"readOnlyHint":true},"inputSchema":{"type":"object","properties":{"status":{"type":"string","enum":["planned","in_progress","done"],"description":"Only return items with this status (default: all, in progress first)"}}},"hasHandler":true,"hasExecute":true,"__source":"spec","executable":true,"handlerField":"execute"},{"name":"get_time_to_inbox","kind":"answer","impl":"imperative","description":"Get live Time to Inbox (TTI) measurements for email sent through Lettermint: seconds from API call until the message is visible in the inbox at Gmail, Outlook, Yahoo, iCloud, Proton Mail, AOL, GMX and Zoho. Returns latest, 24-hour average, median and 90th percentile per provider. Unlike \"delivery time\" figures that stop at server acceptance, TTI covers the whole flow including provider spam checks and inbox placement.","title":"Lettermint Time to Inbox (delivery speed)","annotations":{"readOnlyHint":true},"inputSchema":{"type":"object","properties":{}},"hasHandler":true,"hasExecute":true,"__source":"spec","executable":true,"handlerField":"execute"}],"apiSurface":"spec","favicon":"/favicons/lettermint.co.png","toolCount":6}}