1API / WiTGlobal mailbox provider

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), 1API / WiTGlobal is the mailbox provider for 68 domains — 0.01% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).

Key facts

1API, operated by WiTGlobal, is a European-based email and hosting provider that serves a long tail of smaller regional businesses and websites, with particular concentration across German-speaking markets and other European top-level domains. Rather than a consumer-facing brand, it operates as infrastructure for SMEs and web hosting customers.

For email senders, 1API's distributed presence across thousands of smaller domains means you will encounter it regularly in bounce lists and authentication logs when targeting regional European businesses or organisations using regional hosting providers. It frequently appears alongside Mailchimp on the same domains, suggesting substantial overlap in SME audiences. This footprint pattern makes 1API's filtering and authentication rules worth understanding distinctly from the dominant global providers.

Where 1API / WiTGlobal sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00000.0%
Top 100,00057.4%
Top 1,000,0005580.9%
Unranked811.8%

Top-level domain split

TLDDomainsShare
.com1116.2%
.de1116.2%
.pl45.9%
.hr22.9%
.cz22.9%
.se22.9%
.sk22.9%
.fr22.9%
.at22.9%
.gr11.5%

What 1API / WiTGlobal users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 68 domains.

TypeServiceDomainsShare of 1API / WiTGlobal users
ESPMailchimp710.3%
ESPSALESmanago (PL)68.8%
ESPZendesk68.8%
ESPAmazon SES57.4%
ESPSendGrid (Twilio)45.9%
ESPHubSpot34.4%
ESPMailjet (Sinch)34.4%
ESPElastic Email22.9%
ESPSmartEmailing22.9%
ESPMailUp22.9%

Testing small hosting providers separately from giants

1API's footprint is distributed across thousands of smaller domains in regional European markets, not concentrated in a handful of large providers like Gmail or Outlook. Senders optimising for the three dominant providers may overlook that long-tail infrastructure like 1API represents a substantial share of real inboxes in SME and regional European segments. Authentication policies, spam filtering thresholds, and bounce handling can differ meaningfully between 1API and the giants, so testing against a sample of smaller hosting providers—including 1API—is worth incorporating into broader deliverability validation.

See the full 1API / WiTGlobal data page (KPI cards, trend, sample domains) →

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Frequently asked questions

What is 1API, and why do I see it in my email bounce data?

1API (WiTGlobal) is a European email and hosting provider for small businesses and regional websites, particularly across German-speaking and other European markets. It appears in bounce and authentication logs when you send to SMEs or organisations using European hosting providers, making it a regular part of long-tail deliverability data for sender segments targeting those audiences.

How many domains use 1API / WiTGlobal?

68 domains in the Tranco top-1M use 1API / WiTGlobal as their mailbox provider as of July 13, 2026 (0.01% of domains with MX records), according to Live Direct Marketing's daily DNS scan.

Is 1API / WiTGlobal common enough to affect email deliverability testing?

1API / WiTGlobal accounts for 0.01% of domains with MX records in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.

Which countries or TLDs use 1API / WiTGlobal most?

1API / WiTGlobal's largest TLD is .com (16.2% of its domains); it appears across 39 TLDs in total.

Other mailbox providers

Self-Hosted (22.44%)Google Workspace (21.79%)Microsoft 365 (16.74%)Unknown / Other (7.54%)Generic / unmatched (mx*.*) (2.57%)Proofpoint (1.90%)Generic / unmatched (mail.*) (1.75%)Yandex 360 (1.64%)Cloudflare Email Routing (1.60%)Mimecast (1.52%)