What security fields does Abstract return?
Its IP Intelligence response documents VPN, proxy, Tor, hosting and abuse flags.
Abstract API VPN detection review.
Abstract's IP Intelligence API returns VPN, proxy, Tor, hosting and abuse flags alongside network and location fields. It is a straightforward route to a basic IP risk check.
Overall score7.3 / 10
Free access1,000 free requests
Entry priceFull security tier from 39 US dollars per month when billed annually
DeliveryIP lookup API
What drives the score.
The 7.3 score reflects accessible security flags and simple API delivery. Paid-tier field differences and the lack of persistent visitor identity constrain its fit for repeat-abuse screening. These six factors show the documented evidence and the questions behind the full 38-criterion rubric.
| Detection coverage 30 percent of rubric | The IP Intelligence API returns VPN, proxy, Tor, hosting and abuse flags alongside geolocation and network data. |
|---|---|
| False-positive discipline 18 percent of rubric | Separate security booleans are explainable, but the application must decide how to weigh them for real users. |
| Integration 16 percent of rubric | IP lookup API |
| Freshness 14 percent of rubric | The vendor exposes current API output; test known IPs and plan-specific fields before deploying inline decisions. |
| Verdict depth 12 percent of rubric | Separate security booleans for VPN, proxy, Tor, hosting, relay, mobile and abuse, alongside geolocation, company and ASN data. |
| Pricing and access 8 percent of rubric | 1,000 free requests; Full security tier from 39 US dollars per month when billed annually |
Key facts.
- Method: The IP Intelligence API returns VPN, proxy, Tor, hosting and abuse flags alongside geolocation and network data. Source ↗
- Freshness: The vendor exposes current API output; test known IPs and plan-specific fields before deploying inline decisions. Source ↗
- Output: Separate security booleans for VPN, proxy, Tor, hosting, relay, mobile and abuse, alongside geolocation, company and ASN data. The API FAQ describes flags rather than one aggregate fraud score. Source ↗
- Access: Free plan lists 1,000 free requests. The annually billed Professional tier with full security fields is shown from 39 US dollars per month. Source ↗
What the product provides.
| Primary role | IP intelligence and security flags |
|---|---|
| Delivery | IP lookup API |
| Free access | 1,000 free requests |
| Paid entry | Full security tier from 39 US dollars per month when billed annually |
| Vendor page | Abstract IP Intelligence API |
| Pricing source | Vendor pricing or access page |
Strengths and limitations.
Strengths
- Several named IP security flags in one response
- Published free access
- Simple REST integration
Limitations
- Paid tiers have different included fields; verify the security fields you need
- IP fields alone do not link a repeat visitor across changed addresses
Who it suits.
A quick API integration for VPN and proxy flags, geolocation and ASN data.
Test Abstract API with your VPN.
Submit an IP to inspect its VPN and network result. Daily public credits are limited; further tests may require a free account.
Further reading from Abstract API.
Provides evaluation dimensions for coverage, false positives, latency and cost; product figures should be checked against each vendor's current pages.
The best VPN detection tools in 2026 ↗ · Vendor comparison
FAQ about Abstract API.
How much can I test for free?
The vendor lists 1,000 free requests. Check the fields available on that tier.
Does the cheapest paid tier include full security?
The pricing page separates tiers by included fields. The Professional tier is the one described as adding full fraud score and security signals.
Can the API recognize the same person after they change IP?
The IP API returns information about the queried address. A device or visitor identifier is needed to link a person across changed IPs.
What to compare next.
vpnapi.io
Choose it if: A small project that needs a direct anonymizer flag.
Trade-off: No visitor or account identity from the IP lookup alone
Overall editorial score 7.8/10. Read review →
proxycheck.io
Choose it if: Low-cost server-side VPN and proxy flags where the application owns the decision.
Trade-off: The core lookup is still tied to an IP address
Overall editorial score 8.0/10. Read review →
This review uses published vendor pages and the retained editorial score. Full method · Editorial policy.