{"id":29778,"date":"2026-10-25T11:02:10","date_gmt":"2026-10-25T10:02:10","guid":{"rendered":"https:\/\/www.e-signature.eu\/?page_id=29778"},"modified":"2026-11-01T19:58:42","modified_gmt":"2026-11-01T18:58:42","slug":"eidas-registered-electronic-mail-api","status":"publish","type":"page","link":"https:\/\/www.e-signature.eu\/en\/eidas-registered-electronic-mail-api\/","title":{"rendered":"eIDAS Registered Electronic Mail API"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"29778\" class=\"elementor elementor-29778 elementor-29776\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1285ad e-con-full e-flex e-con e-parent\" data-id=\"e1285ad\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-af92496 elementor-widget elementor-widget-text-editor\" data-id=\"af92496\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<style>\n  .esig-api {\n    --primary: #0a2540;\n    --accent: #0077cc;\n    --accent2: #00b4d8;\n    --cta: #ff6b35;\n    --cta-hover: #e05a28;\n    --light: #f0f6ff;\n    --border: #dde8f5;\n    --text: #1a2b3c;\n    --muted: #5a7080;\n    --white: #ffffff;\n  }\n  .esig-api, .esig-api * { box-sizing: border-box; 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font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 8px; }\n  .esig-api .pricing-card .pack-price { font-size: 1.9em; font-weight: 800; color: var(--primary); line-height: 1; }\n  .esig-api .pricing-card .pack-credits { font-size: 0.85em; color: var(--muted); margin: 6px 0 12px; }\n  .esig-api .pricing-card .pack-unit { font-size: 0.82em; color: var(--accent); font-weight: 600; }\n  .esig-api .no-sub-note { text-align: center; margin-top: 24px; font-size: 0.9em; color: var(--muted); }\n  .esig-api .no-sub-note strong { color: var(--text); }\n  \/* \u2500\u2500 CTA FINAL \u2500\u2500 *\/\n  .esig-api .cta-section {\n    background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);\n    color: var(--white);\n    text-align: center;\n    padding: 72px 24px;\n  }\n  .esig-api .cta-section h2 { font-size: clamp(1.4em, 3vw, 2em); font-weight: 800; margin-bottom: 14px; }\n  .esig-api .cta-section p { font-size: 1em; opacity: 0.9; max-width: 520px; margin: 0 auto 28px; }\n  .esig-api .btn-white {\n    background: var(--white);\n    color: var(--accent);\n    padding: 15px 36px;\n    border-radius: 7px;\n    font-weight: 700;\n    font-size: 1em;\n    text-decoration: none;\n    display: inline-block;\n    transition: opacity 0.2s;\n  }\n  .esig-api .btn-white:hover { opacity: 0.9; }\n  .esig-api .cta-note { font-size: 0.82em; opacity: 0.75; margin-top: 16px; }\n  .esig-api .dev-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }\n  @media (max-width: 760px) {\n    .esig-api .dev-grid { grid-template-columns: 1fr; }\n    .esig-api .hero { padding: 56px 18px 48px; }\n    .esig-api section { padding: 48px 18px; }\n  }\n<\/style>\n<div class=\"esig-api\">\n<header class=\"hero\">\n<div class=\"hero-badge\">Available immediately<\/div>\n<h1><span style=\"color: #ffffff;\">Integrate<\/span> <span style=\"color: #00ffff;\">eIDAS Registered Electronic Mail<\/span> <span style=\"color: #ffffff;\">into Your Applications<\/span><\/h1>\n<p>The e-Signature.eu API sends your registered electronic letters with a Qualified Electronic Time Stamp and a signed acknowledgement of receipt, from a single endpoint. eIDAS compliant. No subscription.<\/p>\n<div style=\"display: inline-block; max-width: 620px; margin: 0 auto 28px; padding: 14px 24px; background: rgba(0,180,216,0.18); border: 1px solid rgba(0,180,216,0.45); border-radius: 10px; font-size: 0.95em; line-height: 1.6; color: rgba(255,255,255,0.96); text-align: center;\">\ud83d\ude80 <strong style=\"color: #7ef0ff;\">To get started:<\/strong> simply order credits \u2014 your account is created automatically and your API key is immediately available in the <em>Signature API<\/em> section of your account. No access request, no waiting.<\/div>\n<div class=\"hero-ctas\"><a class=\"btn-primary\" href=\"https:\/\/www.e-signature.eu\/en\/our-prepaid-credit-packages\/\">Order credits \u2192<\/a>\n<a class=\"btn-secondary\" href=\"https:\/\/www.e-signature.eu\/en\/eidas-registered-electronic-mail\/registered-mail-documentation-api-v3\/\" target=\"_blank\" rel=\"noopener\">View documentation<\/a><\/div>\n<\/header>\n<div class=\"trust-bar\"><span class=\"trust-item\">\u2705 <strong>eIDAS compliant<\/strong><\/span>\n<span class=\"trust-item\">\u23f1\ufe0f <strong>Qualified Electronic Time Stamp<\/strong><\/span>\n<span class=\"trust-item\">\ud83d\udcec <strong>Signed acknowledgement of receipt<\/strong><\/span>\n<span class=\"trust-item\">\ud83d\udcb3 <strong>Pay-as-you-go<\/strong> \u2014 no subscription<\/span><\/div>\n<section>\n<div class=\"container\">\n<div class=\"section-label\">Why the e-Signature.eu registered mail API<\/div>\n<h2 class=\"section-title\">Proof of receipt, automated inside your processes<\/h2>\n<p class=\"section-sub\">One API call replaces the trip to the post office: document time-stamped, recipient notified, acknowledgement of receipt signed and evidence file assembled automatically.<\/p>\n<div class=\"benefits-grid\">\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\u26a1<\/div>\n<h3>Standard REST API<\/h3>\n<p>Documented RESTful architecture, compatible with all languages and frameworks. The same API key as for signatures \u2014 one integration to maintain.<\/p>\n<\/div>\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\u23f1\ufe0f<\/div>\n<h3>Qualified Electronic Time Stamp<\/h3>\n<p>Every dispatch automatically receives a Qualified Electronic Time Stamp issued by a QTSP, attesting to the certain date and the integrity of the document (Art. 41 eIDAS).<\/p>\n<\/div>\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\ud83d\udd10<\/div>\n<h3>Guaranteed integrity<\/h3>\n<p>A SHA-256 hash of the document is embedded in the time stamp. Any later modification is detectable \u2014 with no action required on your side.<\/p>\n<\/div>\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\ud83d\udd14<\/div>\n<h3>Webhooks &amp; callbacks<\/h3>\n<p>Your server is notified at every stage: letter viewed, acknowledgement of receipt signed, refusal or expiry of the deadline.<\/p>\n<\/div>\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\ud83d\udcb3<\/div>\n<h3>Universal credits<\/h3>\n<p>The same credits cover your signatures and your registered letters, at the same rates. No subscription, no fixed costs.<\/p>\n<\/div>\n<div class=\"benefit-card\">\n<div class=\"benefit-icon\">\ud83d\udcca<\/div>\n<h3>Audit Trail &amp; dashboard<\/h3>\n<p>Every registered letter triggered via the API appears in your unified dashboard, with a time-stamped Audit Trail downloadable as a PDF.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"methods-section\">\n<div class=\"container\">\n<div class=\"section-label\">Signing the acknowledgement of receipt<\/div>\n<h2 class=\"section-title\">You choose the level of identity proof<\/h2>\n<p class=\"section-sub\">The acknowledgement of receipt is signed by the recipient. Select through the API the eIDAS level suited to what is at stake \u2014 rates are identical to those of signatures.<\/p>\n<div class=\"methods-grid\">\n<div class=\"method-card\">\n<div class=\"method-level level-qes\">QES \u2014 Qualified<\/div>\n<h3>itsme\u00ae<\/h3>\n<div class=\"coverage\">\ud83d\udccd 32 European countries<\/div>\n<div class=\"method-price\">1 credit \/ recipient<\/div>\n<\/div>\n<div class=\"method-card\">\n<div class=\"method-level level-qes\">QES \u2014 Qualified<\/div>\n<h3>Evrotrust<\/h3>\n<div class=\"coverage\">\ud83d\udccd 69 countries<\/div>\n<div class=\"method-price\">1 credit \/ recipient<\/div>\n<\/div>\n<div class=\"method-card\">\n<div class=\"method-level level-aes\">AES \u2014 Advanced<\/div>\n<h3>Veriff<\/h3>\n<div class=\"coverage\">\ud83d\udccd 198 countries<\/div>\n<div class=\"method-price\">0.7 credit \/ recipient<\/div>\n<\/div>\n<div class=\"method-card\">\n<div class=\"method-level level-ses\">SES \u2014 Simple<\/div>\n<h3>OTP Email\/SMS<\/h3>\n<div class=\"coverage\">\ud83d\udccd Worldwide<\/div>\n<div class=\"method-price\">0.4 credit \/ recipient<\/div>\n<\/div>\n<\/div>\n<p style=\"margin-top: 20px; font-size: 0.85em; color: rgba(255,255,255,0.55);\">\u2696\ufe0f The higher the signature level, the stronger the recipient&#8217;s identification. Only a qualified electronic signature (QES) is legally equivalent to a handwritten signature under the eIDAS Regulation.<\/p>\n<\/div>\n<\/section>\n<section style=\"background: var(--light);\">\n<div class=\"container\">\n<div class=\"section-label\">What the API does automatically<\/div>\n<h2 class=\"section-title\">Three operations triggered by a single call<\/h2>\n<p class=\"section-sub\">You send your files and the recipient&#8217;s details. The platform handles everything else.<\/p>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(250px,1fr)); gap: 20px; margin-bottom: 28px;\">\n<div style=\"border: 2px solid #90caf9; border-radius: 12px; padding: 26px; background: #f8fbff;\">\n<div style=\"display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: #1565c0; color: #ffffff; border-radius: 50%; font-size: 1.05em; font-weight: 800; margin-bottom: 14px;\">1<\/div>\n<h3 style=\"color: #1565c0; font-size: 1.02em; margin: 0 0 10px 0;\">\ud83d\udcd1 Merge &amp; conversion<\/h3>\n<p style=\"font-size: 0.9em; color: var(--muted); margin: 0;\">Your files \u2014 whatever their format \u2014 are merged and converted into a single secured PDF\/A.<\/p>\n<\/div>\n<div style=\"border: 2px solid #a5d6a7; border-radius: 12px; padding: 26px; background: #f8fdf8;\">\n<div style=\"display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: #2e7d32; color: #ffffff; border-radius: 50%; font-size: 1.05em; font-weight: 800; margin-bottom: 14px;\">2<\/div>\n<h3 style=\"color: #2e7d32; font-size: 1.02em; margin: 0 0 10px 0;\">\u23f1\ufe0f Qualified Electronic Time Stamp<\/h3>\n<p style=\"font-size: 0.9em; color: var(--muted); margin: 0;\">A QTSP applies a Qualified Electronic Time Stamp embedding the SHA-256 hash: certain date and protected integrity.<\/p>\n<\/div>\n<div style=\"border: 2px solid #ce93d8; border-radius: 12px; padding: 26px; background: #fcf8fd;\">\n<div style=\"display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: #7b1fa2; color: #ffffff; border-radius: 50%; font-size: 1.05em; font-weight: 800; margin-bottom: 14px;\">3<\/div>\n<h3 style=\"color: #7b1fa2; font-size: 1.02em; margin: 0 0 10px 0;\">\ud83d\udcec Acknowledgement of receipt<\/h3>\n<p style=\"font-size: 0.9em; color: var(--muted); margin: 0;\">Generated automatically with its legal wording, then signed by the recipient using the method you selected.<\/p>\n<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 2px solid #0077cc; border-radius: 12px; padding: 26px 30px; margin-bottom: 22px;\">\n<h3 style=\"color: #0a2540; font-size: 1.08em; margin: 0 0 14px 0;\">\ud83d\udee1\ufe0f Double protection, two distinct proofs<\/h3>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 20px;\">\n<div style=\"background: #f0f7ff; border-radius: 8px; padding: 16px 18px;\">\n<p style=\"margin: 0 0 6px 0; font-weight: bold; color: #1565c0; font-size: 0.95em;\">Qualified Electronic Time Stamp<\/p>\n<p style=\"margin: 0; font-size: 0.88em; color: var(--muted);\">Proves <strong>when<\/strong> and <strong>what<\/strong> \u2014 with its own legal presumption (Art. 41 eIDAS).<\/p>\n<\/div>\n<div style=\"background: #f8f4fc; border-radius: 8px; padding: 16px 18px;\">\n<p style=\"margin: 0 0 6px 0; font-weight: bold; color: #7b1fa2; font-size: 0.95em;\">Signed acknowledgement of receipt<\/p>\n<p style=\"margin: 0; font-size: 0.88em; color: var(--muted);\">Proves <strong>received by whom<\/strong> \u2014 at the identification level you selected.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"background: #fffde7; border-left: 4px solid #ffa000; border-radius: 0 8px 8px 0; padding: 16px 20px; font-size: 0.9em; color: var(--text); line-height: 1.65;\"><strong>\u2139\ufe0f Legal positioning:<\/strong> e-Signature.eu embeds the decisive qualified components (Qualified Electronic Time Stamp, eIDAS signature of the acknowledgement of receipt) into a subscription-free service. The resulting registered letter is <strong>admissible as evidence in all Member States<\/strong> (Art. 43.1 eIDAS). It is not a fully qualified registered electronic delivery service within the meaning of Article 44.<\/div>\n<\/div>\n<\/section>\n<section id=\"how-it-works\">\n<div class=\"container\">\n<div class=\"section-label\">Integration<\/div>\n<h2 class=\"section-title\">2 steps to integrate registered electronic mail<\/h2>\n<p class=\"section-sub\">An API designed for simplicity: authenticate, send, and everything else arrives by webhook.<\/p>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 24px; margin-bottom: 36px;\">\n<div style=\"border: 1.5px solid #dde8f5; border-radius: 12px; padding: 28px 24px; background: #ffffff;\">\n<div style=\"display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: #0077cc; color: #ffffff; border-radius: 50%; font-size: 1.15em; font-weight: 800; margin-bottom: 16px;\">1<\/div>\n<h3 style=\"color: #0a2540; font-size: 1.05em; font-weight: bold; margin: 0 0 10px 0;\">Authentication &amp; submission<\/h3>\n<p style=\"font-size: 0.9em; color: #5a7080; margin: 0;\">Your API key is available directly in your account, <em>Signature API<\/em> section. Send the subject of the letter, your files, the recipient&#8217;s details and the signature method chosen for the acknowledgement of receipt.<\/p>\n<\/div>\n<div style=\"border: 1.5px solid #dde8f5; border-radius: 12px; padding: 28px 24px; background: #ffffff;\">\n<div style=\"display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: #0077cc; color: #ffffff; border-radius: 50%; font-size: 1.15em; font-weight: 800; margin-bottom: 16px;\">2<\/div>\n<h3 style=\"color: #0a2540; font-size: 1.05em; font-weight: bold; margin: 0 0 10px 0;\">Acknowledgement &amp; retrieval<\/h3>\n<p style=\"font-size: 0.9em; color: #5a7080; margin: 0;\">The recipient is invited by email. As soon as they sign the acknowledgement of receipt, your server receives the status, the signed acknowledgement and the time stamp by webhook. A refusal or an expiry is notified the same way.<\/p>\n<\/div>\n<\/div>\n<div class=\"dev-resources\">\n<h3>\ud83e\uddf0 Developer resources<\/h3>\n<div class=\"dev-grid\">\n<div class=\"dev-res-item\">\n<div class=\"res-icon\">\ud83d\udcee<\/div>\n<h4>Postman collection<\/h4>\n<p>Import and run all endpoints in one click, with pre-configured examples.<\/p>\n<\/div>\n<div class=\"dev-res-item\">\n<div class=\"res-icon\">\ud83d\udcc4<\/div>\n<h4>Interactive documentation<\/h4>\n<p>Complete reference for parameters, responses, error codes and scenarios.<\/p>\n<\/div>\n<div class=\"dev-res-item\">\n<div class=\"res-icon\">\ud83d\udd17<\/div>\n<h4>Callback URL<\/h4>\n<p>Set your <strong>callback URL<\/strong> to receive the status of the letter, the signed acknowledgement of receipt and the Audit Trail by webhook.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"background: #f8fbff; border: 1px solid #dde8f5; border-radius: 12px; padding: 22px 26px; margin-top: 24px;\">\n<h3 style=\"color: #0a2540; font-size: 1em; font-weight: bold; margin: 0 0 12px 0;\">\ud83d\udccc What to know before integrating<\/h3>\n<ul style=\"font-size: 0.9em; color: var(--muted); padding-left: 1.2em; margin: 0; line-height: 1.7;\">\n \t<li style=\"margin-bottom: 6px;\"><strong style=\"color: var(--text);\">One recipient per registered letter<\/strong> \u2014 for several recipients, trigger as many dispatches.<\/li>\n \t<li style=\"margin-bottom: 6px;\"><strong style=\"color: var(--text);\">A 15-day deadline<\/strong> to sign the acknowledgement of receipt, with configurable automatic reminders.<\/li>\n \t<li style=\"margin-bottom: 6px;\"><strong style=\"color: var(--text);\">Until the acknowledgement is signed, the document is not delivered<\/strong> \u2014 you nonetheless keep the time stamp and the proof of invitation.<\/li>\n \t<li><strong style=\"color: var(--text);\">Dispatch is irrevocable<\/strong> \u2014 it cannot be cancelled once triggered.<\/li>\n<\/ul>\n<\/div>\n<div style=\"background: linear-gradient(135deg,#f0f7ff 0%,#e3f1ff 100%); border: 2px solid #0077cc; border-radius: 14px; padding: 28px 32px; margin-top: 32px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap;\">\n<div style=\"flex: 1; min-width: 240px;\">\n<h3 style=\"font-size: 1.15em; color: #0a2540; font-weight: 800; margin: 0 0 10px 0;\">\ud83d\udd11 Ready to start? You can begin right now.<\/h3>\n<p style=\"font-size: 0.93em; color: #5a7080; margin: 0;\"><strong style=\"color: #1a2b3c;\">Order credits<\/strong> on e-signature.eu \u2014 your account is created automatically, and your API key and Callback URL are available in the <em>Signature API<\/em> section of your account. No access request, no waiting.<\/p>\n<\/div>\n<a style=\"background: #ff6b35; color: #ffffff; padding: 15px 34px; border-radius: 7px; text-decoration: none; font-weight: bold; font-size: 1em; display: inline-block; white-space: nowrap;\" href=\"https:\/\/www.e-signature.eu\/en\/our-prepaid-credit-packages\/\">Order credits \u2192<\/a>\n<\/div>\n<\/div>\n<\/section>\n<section>\n<div class=\"container\">\n<div class=\"section-label\">Use cases<\/div>\n<h2 class=\"section-title\">Wherever proof of receipt is required<\/h2>\n<p class=\"section-sub\">Registered electronic mail fits in wherever your processes still impose a postal dispatch and its delay.<\/p>\n<div class=\"usecases-grid\">\n<div class=\"usecase-card\">\n<div class=\"uc-icon\">\u2696\ufe0f<\/div>\n<h3>Formal notices &amp; debt recovery<\/h3>\n<p>Trigger a time-stamped formal notice as soon as an invoice passes its due date, straight from your management tool.<\/p>\n<\/div>\n<div class=\"usecase-card\">\n<div class=\"uc-icon\">\ud83d\udcc4<\/div>\n<h3>Contract terminations<\/h3>\n<p>Leases, insurance, subscriptions \u2014 notify termination with proof of receipt, without printing or queuing at a counter.<\/p>\n<\/div>\n<div class=\"usecase-card\">\n<div class=\"uc-icon\">\ud83d\udcbc<\/div>\n<h3>HR &amp; employment relations<\/h3>\n<p>Formal employer\/employee communications, summons, contractual notifications \u2014 with full traceability.<\/p>\n<\/div>\n<div class=\"usecase-card\">\n<div class=\"uc-icon\">\ud83c\udfd7\ufe0f<\/div>\n<h3>Real estate &amp; property management<\/h3>\n<p>Notices to quit, indexations, charge reminders and tenant notifications, automated from your management software.<\/p>\n<\/div>\n<div class=\"usecase-card\">\n<div class=\"uc-icon\">\ud83c\udfdb\ufe0f<\/div>\n<h3>Summons &amp; corporate life<\/h3>\n<p>General meeting summons, notifications to partners and co-owners, sent in volume from your system.<\/p>\n<\/div>\n<div class=\"usecase-card\">\n<div class=\"uc-icon\">\ud83c\udfe6<\/div>\n<h3>Insurance &amp; claims<\/h3>\n<p>Claim declarations, disputes and regulatory notifications, with an evidence file assembled automatically.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section>\n<div class=\"container\">\n<div class=\"section-label\">One API, two services<\/div>\n<h2 class=\"section-title\">Signatures and registered letters in the same integration<\/h2>\n<p class=\"section-sub\">Already integrating electronic signatures? Registered letters use the same API key, the same credits and the same dashboard.<\/p>\n<div style=\"border: 2px solid var(--accent); border-radius: 14px; padding: 32px; background: linear-gradient(135deg,#f0f7ff 0%,#f8fbff 100%); display: flex; gap: 28px; flex-wrap: wrap; align-items: center;\">\n<div style=\"flex: 1; min-width: 260px;\">\n<div style=\"display: inline-block; background: #bbdefb; color: #1565c0; font-size: 0.72em; font-weight: bold; letter-spacing: 1px; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; margin-bottom: 14px;\">Electronic signature API<\/div>\n<h3 style=\"color: var(--primary); font-size: 1.2em; margin: 0 0 12px 0;\">\u270d\ufe0f Get your documents signed from the same applications<\/h3>\n<p style=\"font-size: 0.92em; color: var(--muted); margin-bottom: 16px;\">itsme\u00ae, Evrotrust, Veriff and OTP email\/SMS, in classic or embedded mode. One API key, one credit balance, one dashboard for your signatures and your registered letters.<\/p>\n<ul style=\"font-size: 0.87em; color: var(--muted); padding-left: 1.1em; margin: 0 0 20px 0;\">\n \t<li style=\"margin-bottom: 5px;\">Same credits, same rates as registered letters<\/li>\n \t<li style=\"margin-bottom: 5px;\">Multiple signatories and sequential signing flow<\/li>\n \t<li>Embedded mode: signing within your own application<\/li>\n<\/ul>\n<a class=\"btn-primary\" href=\"https:\/\/www.e-signature.eu\/en\/api-electronic-signature\/\">Discover the signature API \u2192<\/a>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section style=\"background: var(--light);\">\n<div class=\"container\">\n<div class=\"section-label\">Pricing<\/div>\n<h2 class=\"section-title\">Pay-as-you-go \u2014 no subscription<\/h2>\n<p class=\"section-sub\">Top up credits as you need them. The higher your volume, the lower your cost per credit. The same credits cover your signatures and your registered letters.<\/p>\n<div class=\"pricing-grid\">\n<div class=\"pricing-card\">\n<div class=\"pack-name\">Starter<\/div>\n<div class=\"pack-price\">\u20ac371<\/div>\n<div class=\"pack-credits\">100 credits<\/div>\n<div class=\"pack-unit\">\u20ac3.71 \/ credit<\/div>\n<\/div>\n<div class=\"pricing-card featured\">\n<div class=\"pack-name\">Standard<\/div>\n<div class=\"pack-price\">\u20ac1,725<\/div>\n<div class=\"pack-credits\">500 credits<\/div>\n<div class=\"pack-unit\">\u20ac3.45 \/ credit<\/div>\n<\/div>\n<div class=\"pricing-card\">\n<div class=\"pack-name\">Business<\/div>\n<div class=\"pack-price\">\u20ac3,000<\/div>\n<div class=\"pack-credits\">1,000 credits<\/div>\n<div class=\"pack-unit\">\u20ac3.00 \/ credit<\/div>\n<\/div>\n<div class=\"pricing-card\">\n<div class=\"pack-name\">Enterprise<\/div>\n<div class=\"pack-price\">\u20ac12,500<\/div>\n<div class=\"pack-credits\">5,000 credits<\/div>\n<div class=\"pack-unit\">\u20ac2.50 \/ credit<\/div>\n<\/div>\n<\/div>\n<p class=\"no-sub-note\"><strong>1 registered letter = 1 recipient<\/strong>, whatever the number of documents delivered. The cost depends solely on the signature method chosen for the acknowledgement of receipt \u2014 <strong>from 0.4 credit<\/strong>. No monthly fees, no commitment.<\/p>\n<\/div>\n<\/section>\n<section class=\"cta-section\">\n<h2 style=\"color: #ffffff;\">Ready to integrate registered electronic mail?<\/h2>\n<p>Order credits to immediately access your API key and start your integration.<\/p>\n<div style=\"display: inline-block; max-width: 640px; margin: 0 auto 28px; padding: 16px 26px; background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.4); border-radius: 10px; font-size: 0.95em; line-height: 1.65; color: rgba(255,255,255,0.97); text-align: center;\"><strong style=\"color: #ffffff;\">How it works:<\/strong> order credits \u2192 your account is created automatically \u2192 your API key is available in the <em>Signature API<\/em> section of your account \u2192 you integrate immediately.<\/div>\n<div class=\"hero-ctas\" style=\"justify-content: center; margin-bottom: 16px;\"><a class=\"btn-white\" href=\"https:\/\/www.e-signature.eu\/en\/our-prepaid-credit-packages\/\">Order credits \u2192<\/a>\n<a style=\"background: rgba(255,255,255,0.22); color: #fff; padding: 15px 34px; border-radius: 7px; text-decoration: none; font-weight: bold; font-size: 1em; border: 2px solid rgba(255,255,255,0.7); display: inline-block;\" href=\"https:\/\/www.e-signature.eu\/en\/eidas-registered-electronic-mail\/registered-mail-documentation-api-v3\/\" target=\"_blank\" rel=\"noopener\">View documentation<\/a><\/div>\n<div class=\"cta-note\">No subscription required \u00b7 No access request \u00b7 API key available immediately \u00b7 eIDAS compliant<\/div>\n<\/section>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Available immediately Integrate eIDAS Registered Electronic Mail into Your Applications The e-Signature.eu API sends your registered electronic letters with a&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-29778","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.e-signature.eu\/en\/wp-json\/wp\/v2\/pages\/29778","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.e-signature.eu\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.e-signature.eu\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.e-signature.eu\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.e-signature.eu\/en\/wp-json\/wp\/v2\/comments?post=29778"}],"version-history":[{"count":5,"href":"https:\/\/www.e-signature.eu\/en\/wp-json\/wp\/v2\/pages\/29778\/revisions"}],"predecessor-version":[{"id":30278,"href":"https:\/\/www.e-signature.eu\/en\/wp-json\/wp\/v2\/pages\/29778\/revisions\/30278"}],"wp:attachment":[{"href":"https:\/\/www.e-signature.eu\/en\/wp-json\/wp\/v2\/media?parent=29778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}