Data PendingLicense unknownEmailUncategorizedEvidence Watch

check-if-email-exists

Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.

Data confidence71/100
Source coverage75/100
Publish confidence73/100
Evidence checkedJul 31, 2026

Moderate-confidence page: useful public signals are present, but some evidence sources may be missing or stale.

Evidence Watch

ToolVitals has useful public signals for check-if-email-exists, but not enough evidence to publish a strong verdict score yet.

GitHub source71/100 data confidence
About this tool

What ToolVitals knows about check-if-email-exists

Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.

ToolVitals has not verified an OSI-approved, source-available, fair-code, or open-core license signal yet.

Useful public signals are available, but not enough for a strong ToolVitals verdict yet.

Source-visible projectUncategorizedLicense unknownEvidence Watch
Repository

GitHub Activity

RS
reacherhq/check-if-email-exists
Stars9,177
Forks662
Watchers9,177
Open Issues88
Primary Language
Rust
Last Commit
135 days ago
Releases 90d
0
Default Branch
master
License
Other
Repository Status
Active repository
Evidence

Signal Quality

Data Confidence71/100Good
Source Coverage75/100Good
Publish Confidence73/100Good

ConfidenceModerate confidence with some missing public signals.

Zombie RiskNo meaningful zombie signal right now.

How ToolVitals scores work
Openness

License Evidence

Class
License unknown
License
Other

ToolVitals has not verified an OSI-approved, source-available, fair-code, or open-core license signal yet.

Sources

Tracked Sources

Profile

Classification

Category
Email
Use Case
Uncategorized
Openness
License unknown
License
Other
Tool Mode
Source-visible project
Score Model
Public Signal Watch
Score Visibility
Evidence Watch
Status
Data Pending
Maintainers

README Badge

Show this ToolVitals status in project docs.

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Tags
open-sourceemailemail-validationemail-validation-apiemail-verificationemail-verification-apiemail-verifierhacktoberfestapi-firstdeliverabilityapi