APIs & SDKs
SignupVet
Check email, phone and IP of every new signup to spot bots and fraud
API service that validates email, phone and IP addresses on signups and detects bot waves to prevent fraud and account abuse.
Overview
The SignupVet homepage
SignupVet is an API service designed to protect web applications from fake signups and bot-driven abuse. With a single API call, it checks the email, phone and IP address of each new user signup, returning a risk score between 0 and 100 along with specific reason codes that explain the decision. The service goes beyond individual checks by analyzing recent signup patterns to detect bot waves—multiple signups from the same IP or network within minutes, or numbered email series like max1@, max2@, max3@ used in automated attacks.
The platform checks for disposable email providers, dead mail servers, VPNs, Tor nodes, datacenters, VoIP and premium-rate phone numbers. It returns one score with clear reasons, so developers can decide whether to allow, review or block each signup. Results are delivered in under 50 milliseconds. SignupVet is built for small SaaS teams that run their own signup flow and want to prevent free credit farming, endless free trial abuse, and account number inflation.
Capabilities
- Email verification: checks for disposable providers, typos, dead mail servers and placeholder addresses
- Phone validation: checks validity, country, line type, flags toll-free and blocks premium-rate numbers
- IP checking: detects Tor, VPNs, datacenters and bot-wave patterns
- Dashboard and logs with masked data
- Custom block and allow lists on paid plans
- Webhooks and Slack alerts on paid plans
- Sub-50 millisecond response time
Pricing
Free: 250 checks per month. Build: $49/month for 5,000 checks. Growth: $199/month for 25,000 checks. Scale: Custom pricing. One-time packs: $15 for 1,000 checks that never expire.
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SignupVet fact sheet
| Community votes | 0 |
|---|---|
| Based in | United Kingdom |
| Website | signupvet.com |
SignupVet metrics
Vendor metrics for signupvet.com: Ahrefs Domain Rating and Majestic link data, with the delta since the last review.
- Domain Rating
- 1
- no change since last check
- Trust Flow
- 1
- no change since last check
- Citation Flow
- 14
- no change since last check
- Referring domains
- 4
- no change since last check
- External backlinks
- 16
- no change since last check
Vendor Domain Rating (Ahrefs) checked 6 Nov 2026, spec changed 6 Nov 2026. Vendor topic: Society/People (1). Vendor Majestic data checked 6 Nov 2026, spec changed 6 Nov 2026. Link metrics supplied by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
SignupVet vendor domain
Open the vendor record
We read this from the registry's RDAP record on 6 Nov 2026, 04:50 UTC.
- Domain age
- 1 month
- Registered
- Expires
- Registrar
- Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA
- DNSSEC
- Not signed
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Buyer questions
What data do you store?
For the dashboard, SignupVet keeps masked copies of each check (like m***@gmail.com, 178.197.224.x) and one-way fingerprints for bot-wave detection. Full email addresses, phone numbers and IPs are never stored in clear text.
Is it ready for production?
The API is small and stable, with response times well under 50 milliseconds so signup forms do not feel slower. The service is in early access, so contact the team before sending large volumes.
What counts as a check, and do packs expire?
One API call is one check, even if it covers email, phone and IP together. Failed validation requests are free. Pack checks never expire and are used after monthly checks are exhausted.
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SignupVet has a free listing. The owner can unlock the full profile with a paid launch for $5:
- Founder story (locked)
- Milestones (locked)
- Demo video (locked)
- Dofollow website link (locked)
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