Postmark From $5/mo · Free plan 9.2 Visit Infobip Email API
infobip.com
Spec sheet
- What it does
- Infobip Email is a cloud service for transactional and marketing email with web, HTTP API and SMTP API delivery.Read 15 Oct 2026 · infobip.com
- Free plan
- NoRead 21 Sep 2026 · infobip.com
- Integrations
- Email is available inside Infobip Broadcast, Moments and Conversations, with web-interface and HTTP API workflows.Read 15 Oct 2026 · infobip.com
- Headquarters
- London, United KingdomRead 28 Sep 2026 · infobip.com
- Founded
- 2006Read 28 Sep 2026 · infobip.com
- API authentication
- HTTP API uses API-key authentication, while SMTP supports username/password or API-key authentication.Read 15 Oct 2026 · infobip.com
- Attachments
- HTTP email supports multiple attachments and lists PDF, DOCX, XLSX, TXT, JPG, PNG, GIF and ICS as supported types.Read 15 Oct 2026 · infobip.com
- C# SDK
- A public C# SDK is MIT licensed, targets .NET Standard 2.0 and installs through NuGet or the .NET CLI.Read 15 Oct 2026 · github.com
- Company founded
- LinkedIn lists Infobip as founded in 2006.Read 15 Oct 2026 · linkedin.com
- Company headquarters
- LinkedIn lists headquarters in London, England, with the primary address at 35-38 New Bridge Street.Read 15 Oct 2026 · linkedin.com
- Company legal name
- The Google Play developer listing identifies the developer as INFOBIP LIMITED.Read 15 Oct 2026 · play.google.com
- Company size
- LinkedIn lists Infobip's company size as 1,001-5,000 employees.Read 15 Oct 2026 · linkedin.com
- Dedicated IP option
- YesRead 21 Sep 2026 · infobip.com
- Delivery analytics
- Email reporting covers delivery, opens, clicks, unsubscribes, bounces and spam reports.Read 15 Oct 2026 · infobip.com
- Delivery log retention
- 48Read 21 Sep 2026 · infobip.com
- Delivery methods
- bothRead 21 Sep 2026 · infobip.com
- Documentation depth
- Documentation includes API references, SMTP guidance, dynamic content, advanced sending options, delivery reports, logs and tracking notifications.Read 15 Oct 2026 · infobip.com
- Domain prerequisite
- A sending domain must be verified and active before API sending begins.Read 15 Oct 2026 · infobip.com
- Email metrics
- The metrics reference includes total traffic, accepted and sent counts, delivery rate, five-second delivery rate and unique opens.Read 15 Oct 2026 · infobip.com
- Event webhooks
- YesRead 21 Sep 2026 · infobip.com
- Free-trial restriction
- During the free trial, messages can be sent only to verified phone numbers and email addresses.Read 15 Oct 2026 · infobip.com
- Google Play listing
- Infobip Conversations, an associated mobile contact-center app, shows 10K+ downloads; the opened listing does not display a star rating or rating count.Read 15 Oct 2026 · play.google.com
- HIPAA deployment
- HIPAA-eligible email uses a dedicated non-public endpoint available only after Infobip onboarding and contractual setup.Read 15 Oct 2026 · infobip.com
- HIPAA exclusions
- Inbound email, browser content viewing, active or archive storage, Moments, Broadcast, Forms and several integrations are excluded from the HIPAA-eligible service.Read 15 Oct 2026 · infobip.com
- Inbound email
- Replies can be received on a configured inbound domain and delivered to customer systems through webhooks.Read 15 Oct 2026 · infobip.com
- Limit: delivery complaints
- Trustpilot reviewers report messages not reaching recipients even when the platform showed delivery and describe poor reliability in production.Read 15 Oct 2026 · trustpilot.com
- Limit: pricing transparency
- An Infobip comparison article says Email API pricing is usage based and tailored through sales conversations rather than published as fixed self-serve rates.Read 15 Oct 2026 · infobip.com
- Limit: support complaints
- Trustpilot reviewers repeatedly report slow or absent support responses and unresolved service requests.Read 15 Oct 2026 · trustpilot.com
- Marketing campaigns
- The API supports personalized marketing campaigns and bulk delivery.Read 15 Oct 2026 · infobip.com
- Message size limit
- The documented maximum message size, including attachments, is 10 MB.Read 15 Oct 2026 · infobip.com
- Node SDK
- Infobip publishes an MIT-licensed Node.js SDK supporting WhatsApp, Email and SMS, installable as @infobip-api/sdk.Read 15 Oct 2026 · github.com
- Node system requirement
- The Node SDK requires Node.js 14 or newer.Read 15 Oct 2026 · github.com
- Praise: delivery platform
- G2 describes the service as scalable high-volume infrastructure with SMTP and HTTP delivery, analytics, webhooks and deliverability assistance.Read 15 Oct 2026 · g2.com
- Praise: support and reporting
- Capterra reviewers praise customer support during integration, a clear interface, reporting and billing visibility, and use across SMS, email and WhatsApp.Read 15 Oct 2026 · capterra.com
- Rating on Capterra
- 4.6 out of 5 from 14 reviewsRead 15 Oct 2026 · capterra.com
- Rating on G2
- 4.6 out of 5 from 16 reviewsRead 15 Oct 2026 · g2.com
- Rating on Trustpilot
- 1.5 out of 5 from 35 reviewsRead 15 Oct 2026 · trustpilot.com
- Release update
- The 2025 Vermilion release added HTTP MIME email sending and per-request IP-pool selection.Read 15 Oct 2026 · infobip.com
- Rich email editor
- A drag-and-drop editor and custom HTML support responsive branded messages with images, buttons, previews and handlebars personalization.Read 15 Oct 2026 · infobip.com
- Security certifications
- Infobip lists ISO 9001, ISO 22301, ISO 27001, ISO 27017, ISO 27018, CSA STAR Level 1 and SOC 2 Type 2 certifications.Read 15 Oct 2026 · infobip.com
- Security controls
- Infobip security terms require controls aligned with ISO 27001, 27017, 27018 and 22301 and an ISAE 3000 SOC 2 Type I or equivalent report.Read 15 Oct 2026 · infobip.com
- SMTP integration
- SMTP API is positioned for existing CRM, ERP and CMS tools, while HTTP API targets custom applications and bulk campaigns.Read 15 Oct 2026 · infobip.com
- SMTP limitation
- The documentation describes SMTP tracking as limited compared with HTTP API analytics.Read 15 Oct 2026 · infobip.com
- Template options
- bothRead 21 Sep 2026 · infobip.com
- Templates
- Templates can be created in the web interface and invoked from API requests with a template identifier.Read 15 Oct 2026 · infobip.com
- Transactional messaging
- The Email API automates notifications such as order confirmations, password resets and alerts.Read 15 Oct 2026 · infobip.com
- Webhooks
- Webhook notifications can report delivery status, clicks, inbound messages and other events, using per-request URLs or subscription configuration.Read 15 Oct 2026 · infobip.com
Plans and prices
Pay as you go Price not published Usage-based email pricing calculated by destination country, currency, and messa Read 21 Sep 2026 · infobip.com
Email API pay-as-you-go Priced on request Per-message pricing; exact rate depends on destination country, network and discounts Transactional and promotional email · API, Broadcast, Moments and Conversations access Read 15 Oct 2026 · infobip.com
Where Specifiction places it
- Transactional email services#12 of 418.5
- Transactional Email Software#12 of 418.5
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