Pay-As-You-Go Email Marketing
A monthly subscription makes little sense if you send a big campaign twice a year, so these platforms let you buy email credits or pay per message instead. Amazon SES, Sendy, Selzy and Zoho Campaigns are members, from bulk senders to regional platforms that sell credit packs. Compare the cost per thousand emails at your real volume, whether credits expire, and whether storing contacts costs anything between sends. Check what features stay available without a subscription, since some keep automations and advanced reports for monthly plans only. Irregular senders should watch deliverability closely, as long gaps between campaigns can hurt inbox placement. Clean the list before each big send to limit bounces.
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Amazon's pay-as-you-go email service for transactional and marketing mail over API or SMTP, with inbound processing, deliverability tools and three pricing plans.
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Zoho's marketing email tool for newsletters, drip workflows and campaigns, billed by contacts or by send volume, with Shopify and CRM integrations and a 14-day trial.
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German newsletter software with a free Lite plan, subscriber-based Basic and Pro plans, prepaid options, the THEA automation editor and servers in the EU, as described by third-party reviews.
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Self-hosted newsletter software sold for a one-time $69 fee, sending through Amazon SES, with a drag-and-drop editor, autoresponders, segments, white-label brands and a long list of third-party integrations.
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Shopify Messaging, the email and SMS tool built into every Shopify store, free for 10,000 emails a month and then $1 per 1,000.
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Russian email platform with a free tier of 1500 emails to 100 contacts, ruble plans by list size or email package, SMS, Telegram and MAX chatbots, landing pages and an AI assistant.
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Spanish email marketing platform with a free account of 80,000 emails a month to 20,000 contacts, monthly or prepaid paid plans, automation, SMS and WhatsApp add-ons.
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Email marketing platform for small and midsize businesses with an AI-assisted block builder, automation, SMS, RCS and chatbots, a free plan, and paid plans from $7 a month.
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Alibaba Cloud's email service for triggered notifications and batch mail through a console, API or SMTP, priced per message with prepaid packages and a 2,000-email free quota.
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SMTP relay and email API from Edisplay srl for transactional mail and newsletters, with a built-in campaign tool, a free account of 6,000 emails a month and 24/7 support.
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Newsletter tool from Swiss host Infomaniak with unlimited contacts, no subscription, prepaid credits that never expire and free monthly credits bundled with its hosting products.
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Notification orchestration that routes product email, SMS, push, chat and in-app messages through your own providers, free for 10,000 sends a month, then $0.005 per send
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Dutch newsletter software with all data in the Netherlands, free forever up to 2,000 contacts, subscriptions from €210 a year and mailcredits from €9 for occasional senders.
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Shanghai cloud communications platform whose email service sends notification and marketing mail by API or web editor, priced per email by volume, alongside SMS and voice.
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Plunk is an open-source email platform for transactional mail, campaigns and workflows, EU-hosted or self-hosted, free for 1,000 emails a month and $0.001 per email after that.
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B2B marketing automation (Aritic PinPoint) with a free lifetime plan and annual plans, plus Aritic Mail, a pay-as-you-go transactional email API sold as credits
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Cafe24 Hosting's bulk email service charges 1 won per successfully sent email from prepaid bundles, with Excel list import, merge fields, member-database sync, statistics and an API.
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French platform for email campaigns, transactional SMTP and SMS, with servers hosted in France, pay-per-use pricing and a small free monthly discovery allowance.
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Taiwanese email, SMS and landing page platform with AI-generated newsletters, visual automation and developer APIs, sold as prepaid send packages with free starter credits.
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Hong Kong email delivery platform from Sedona Limited with an email API, SMTP, a campaign editor, AI tools and SMS, sold as prepaid annual email packages.
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Korean bulk messaging service from Samjung Data Service for email, SMS and Kakao messages, paid from one prepaid balance at a flat per-message rate with no daily send limit.
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Emailit sends transactional and marketing email by API, SMTP or campaigns on pay-as-you-go credits that never expire, from an owned data center in Prague.
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Multichannel messaging platform for bulk and transactional email, SMS, RCS, WhatsApp and voice calls, priced per message with no subscription and a free test balance for companies.
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UK email marketing software with its own Buckinghamshire data center, a free account, monthly send plans and pay-as-you-go credits that never expire.
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Taiwanese newsletter and EDM platform with prepaid per-email pricing from 0.015 NT dollars, no contact limits, group sending, open and click tracking, and Taiwan invoices.
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Engagement-focused email platform sold on pay-as-you-go credits or monthly packages, with automations, transactional email, landing pages, AI content blocks and human support on every plan.
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Israeli email and SMS platform in Hebrew with monthly plans by contact count, a prepaid email bank that never expires, SMS packages, SMTP and API sending, and official Wix and WooCommerce connectors.
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Simple email tool from Europe for small businesses, with AI writing help, Autopilot win-back and welcome emails, unlimited contacts and a free tier of 1,000 emails a month.
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Portuguese-language email marketing platform with an AI-assisted editor, automation flows, landing pages and a pre-send spam score, sold by subscription or loose credits.
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Italian newsletter service from Void Labs Snc with a free tier, quarterly Flat plans, prepaid credit packs and a white-label Agency edition.
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Indonesian SMTP relay, email API and email marketing service on prepaid Email Credits priced in Rupiah, with no monthly fee, from Rp0.6 per email and 200 free credits.
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Thai communication platform whose email service offers drag and drop templates, email OTP, spam checks, A/B tests and an Email API, priced from 0.04 baht per email.
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South African email and SMS marketing platform for businesses and agencies, with multi-tenant accounts, data cleansing, a free plan for 2,500 contacts, and pay-as-you-go or fixed plans priced in rand.
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Pay-per-send email platform that can run on your own Amazon SES account, for agencies, SaaS teams and universities, with templates, segments, automations, an API and webhooks, 3,000 free sends to start and $50 packs of 50,000 sends.
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New Zealand email marketing platform with a free 300-subscriber plan for local customers, three billing models, a transactional API and all data held in New Zealand.
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Latin American email marketing platform from Industrialmedia S.A. with monthly plans by contact count, volume and pay-as-you-go credits, and support in Spanish, English and Portuguese.
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Melbourne-built email, SMS and survey platform hosted in Australia, priced per message rather than per subscriber, with a free starter tier and a flat-rate Pro plan.
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Hanbiro's bulk mail add-on for Vora Email, sold in Korean won as a daily-capacity monthly plan or as prepaid credits at 0.5 won per email.
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Malay-language email marketing and autoresponder platform from Web Impian, sold on prepaid credits at one credit per email, aimed at shops, marketers, NGOs and Islamic schools.
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French email sending and verification platform with a campaign builder, an email API and SMTP relay, sold without subscription and paired with sister SMS and voice services.
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A Swedish newsletter tool priced by number of recipients with unlimited mailings each month, a visual editor, image archive, send lists, statistics and a custom template for every new customer.
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South African email marketing platform sold on once-off credit bundles from 1,000 to 1,000,000, with automation, validation, a local support team and POPIA-aware sending.
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Business-only bulk email service from Seoul host Inet Hosting, built on the GS-certified Thunder Mail solution and billed at 1 won per successfully sent email.
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Korean-language web service from Netpathy for bulk email, text messages, web fax and KakaoTalk business messages, with automated messaging by API and pay-per-successful-send pricing.
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Lagos-built email marketing tool for creators and small businesses, with a free account of 1,000 emails, unlimited contacts and pay-as-you-go email credits.
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Centurion-based web bulkmail system with pay-as-you-go credits at 2c an email, 100 free credits, double opt-in, embedded images and detailed campaign reports.
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A Hungarian-language newsletter system from IT-Nav Hungary Kft., with monthly plans priced in forints, a dedicated SMTP server on every plan and phone support around the clock.
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Indian do-it-yourself bulk email service with prepaid pay-as-you-go credits valid for 12 months, no monthly charges, a free trial and a white-label reseller program.
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Turkish bulk email service combining campaigns, a transactional REST API and SMTP, and list verification on one credit pool, with annual packs from $69 and no monthly fee.
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Course and online school platform with built-in email marketing billed per email sent, from $0.001 down to $0.0003, plus automation workflows, segments and a CRM.
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Pay-per-use SMTP relay and REST API for OTPs, password resets and other transactional mail, with 5,000 free emails a month and $0.50 per 1,000 after that.
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HostworX sells prepaid bulk email credits in rand, from 1,000 to 1,000,000 emails, with templates, open and click tracking, automatic bounce handling and ECT and POPI Act compliance tools.
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Email verification and campaign sending on one prepaid credit balance, with custom authenticated domains, tracking domains and no monthly subscription.
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Pay-as-you-go email marketing and social posting tool from iCapSolutions, with AI copywriting on every tier, 2,500 no-cost emails a month and volume tiers from $9.95
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Email marketing service from the hosting company NutHost, sold as monthly send plans or prepaid credit packs, with 100+ templates, event automation, forms and SPF and DKIM checks.
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Pay-as-you-go service for bulk email campaigns, transactional email over an API and list verification, with unlimited contacts and credit packs valid for one year.
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Lima email specialist selling mass email campaigns either as prepaid send packages or as monthly plans with unlimited sends to a fixed contact count, priced in soles.
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A Buenos Aires IT company's cloud email marketing service with a drag-and-drop editor, 250+ templates, detailed reports and prepaid send credits in Argentine pesos that never expire.
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Wave Evolution's web-based email marketing software for Malaysia and Singapore, sold in never-expiring credit packs, with enterprise sending setups, list verification and managed campaigns.
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Czech and Slovak business software whose emailing module sends newsletters and bulk email straight from its CRM, with a 30-day trial and billing only in months you send.
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Outlook and Microsoft 365 add-in that sends personalized mass email from your own mailbox using a spreadsheet, with open and click tracking, follow-ups and unsubscribe handling.
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London-based AI email writer that researches each prospect and writes a unique email per contact, with a free Basic plan, paid tiers at $99 and $199 and pay-as-you-go credits.
