{"id":154659,"date":"2022-04-11T13:42:39","date_gmt":"2022-04-11T13:42:39","guid":{"rendered":"https:\/\/sdcmainprod.wpengine.com\/usps\/library-mail\/"},"modified":"2024-11-06T21:06:57","modified_gmt":"2024-11-06T21:06:57","slug":"library-mail","status":"publish","type":"page","link":"https:\/\/www.stamps.com\/usps\/library-mail\/","title":{"rendered":"Library Mail, USPS Library Mail Rate"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-how-library-mail-works\">How Library Mail Works<\/h2>\n\n<p>To use Library Mail, USPS requires senders to show the address or return address of a school or nonprofit organization. Some publishers can send items through Library Mail as long as they are being sent to a qualified recipient.<\/p>\n\n<p>USPS will allow you to buy extra services for items sent through Library Mail, including insurance, USPS\u00ae Tracking, Signature Confirmation\u2122, COD, Return Receipt, and Restricted Delivery. A certificate of mailing, which provides proof of an item sent, and special handling for fragile items is also available.<\/p>\n\n<p>Library Mail is not available to purchase in the Stamps.com software.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How Library Mail Works To use Library Mail, USPS requires senders to show the address or return address of a school or nonprofit organization. Some publishers can send items through Library Mail as long as they are being sent to a qualified recipient. USPS will allow you to buy extra services for items sent through [&hellip;]<\/p>\n","protected":false},"author":71,"featured_media":0,"parent":155747,"menu_order":0,"comment_status":"open","ping_status":"open","template":"templates\/hero-seo.php","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-154659","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.1 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Library Mail, USPS Library Mail Rate - Stamps.com<\/title>\n<meta name=\"description\" content=\"Library Mail is a special USPS mail class that lets libraries, museums, and academic institutions send items to one another\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.stamps.com\/usps\/library-mail\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Library Mail, USPS Library Mail Rate\" \/>\n<meta property=\"og:description\" content=\"Library Mail is a special USPS mail class that lets libraries, museums, and academic institutions send items to one another\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.stamps.com\/usps\/library-mail\/\" \/>\n<meta property=\"og:site_name\" content=\"Stamps.com\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-06T21:06:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/04\/img-stamps-PreviewTile-1200x675-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.stamps.com\/usps\/library-mail\/\",\"url\":\"https:\/\/www.stamps.com\/usps\/library-mail\/\",\"name\":\"Library Mail, USPS Library Mail Rate - Stamps.com\",\"isPartOf\":{\"@id\":\"https:\/\/www.stamps.com\/#website\"},\"datePublished\":\"2022-04-11T13:42:39+00:00\",\"dateModified\":\"2024-11-06T21:06:57+00:00\",\"description\":\"Library Mail is a special USPS mail class that lets libraries, museums, and academic institutions send items to one another\",\"breadcrumb\":{\"@id\":\"https:\/\/www.stamps.com\/usps\/library-mail\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.stamps.com\/usps\/library-mail\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.stamps.com\/usps\/library-mail\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.stamps.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Protected: USPS\",\"item\":\"https:\/\/www.stamps.com\/usps\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Library Mail, USPS Library Mail Rate\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.stamps.com\/#website\",\"url\":\"https:\/\/www.stamps.com\/\",\"name\":\"Stamps.com\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.stamps.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.stamps.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.stamps.com\/#organization\",\"name\":\"Stamps.com\",\"url\":\"https:\/\/www.stamps.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.stamps.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Stamps-Primary-Lockup-Red-RGB.svg\",\"contentUrl\":\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Stamps-Primary-Lockup-Red-RGB.svg\",\"width\":\"1024\",\"height\":\"1024\",\"caption\":\"Stamps.com\"},\"image\":{\"@id\":\"https:\/\/www.stamps.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Library Mail, USPS Library Mail Rate - Stamps.com","description":"Library Mail is a special USPS mail class that lets libraries, museums, and academic institutions send items to one another","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.stamps.com\/usps\/library-mail\/","og_locale":"en_US","og_type":"article","og_title":"Library Mail, USPS Library Mail Rate","og_description":"Library Mail is a special USPS mail class that lets libraries, museums, and academic institutions send items to one another","og_url":"https:\/\/www.stamps.com\/usps\/library-mail\/","og_site_name":"Stamps.com","article_modified_time":"2024-11-06T21:06:57+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/04\/img-stamps-PreviewTile-1200x675-1.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.stamps.com\/usps\/library-mail\/","url":"https:\/\/www.stamps.com\/usps\/library-mail\/","name":"Library Mail, USPS Library Mail Rate - Stamps.com","isPartOf":{"@id":"https:\/\/www.stamps.com\/#website"},"datePublished":"2022-04-11T13:42:39+00:00","dateModified":"2024-11-06T21:06:57+00:00","description":"Library Mail is a special USPS mail class that lets libraries, museums, and academic institutions send items to one another","breadcrumb":{"@id":"https:\/\/www.stamps.com\/usps\/library-mail\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.stamps.com\/usps\/library-mail\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.stamps.com\/usps\/library-mail\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.stamps.com\/"},{"@type":"ListItem","position":2,"name":"Protected: USPS","item":"https:\/\/www.stamps.com\/usps\/"},{"@type":"ListItem","position":3,"name":"Library Mail, USPS Library Mail Rate"}]},{"@type":"WebSite","@id":"https:\/\/www.stamps.com\/#website","url":"https:\/\/www.stamps.com\/","name":"Stamps.com","description":"","publisher":{"@id":"https:\/\/www.stamps.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.stamps.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.stamps.com\/#organization","name":"Stamps.com","url":"https:\/\/www.stamps.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.stamps.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Stamps-Primary-Lockup-Red-RGB.svg","contentUrl":"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Stamps-Primary-Lockup-Red-RGB.svg","width":"1024","height":"1024","caption":"Stamps.com"},"image":{"@id":"https:\/\/www.stamps.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/pages\/154659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/users\/71"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/comments?post=154659"}],"version-history":[{"count":0,"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/pages\/154659\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/pages\/155747"}],"wp:attachment":[{"href":"https:\/\/www.stamps.com\/wp-json\/wp\/v2\/media?parent=154659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}