Product review
proxycheck.io proxy detection API review
proxycheck.io offers a focused IP-checking API with risk and confidence output. Stable v3 uses nested categories, boolean detections and multiple classifications for one address. Its daily quotas, public lookup and low paid entry make it straightforward to evaluate the exact response before integrating it.
Editorial score
- Evidence layer
- Hosted IP proxy, VPN and risk lookup
- Free access
- 1,000 queries per day on the free plan
- Paid entry
- 4.99 US dollars per month for 10,000 daily queries, plus applicable tax
Key facts
- Current version
- Stable v3 is dated June 24, 2026. It uses nested categories, boolean detections and multiple types per IP. Vendor page ↗
- Output
- Proxy, VPN, hosting and Tor detections appear alongside risk, confidence and enrichment. Check documented response and error states. Vendor page ↗
- Access
- 1,000 queries per day on the free plan. 4.99 US dollars per month for 10,000 daily queries, plus applicable tax. Vendor page ↗
- Limits
- v3 accepts up to 1,000 IPs in a request. A batched HTTP request is not automatically one billable IP check. Vendor page ↗
Strengths
- Public, versioned documentation and explicit risk/confidence fields.
- A daily free quota and low paid entry support incremental testing.
Limitations
- An IP check cannot attribute a shared exit to a particular application user.
- v2 strings and v3 booleans need different adapters; check status codes, cache guidance and credit units.
Who it fits
Teams needing a budget-friendly IP proxy/VPN lookup with published quotas and configurable account controls.
Use the alternatives by integration model to compare IP lookup APIs, browser-assisted collection, attribution feeds and local databases.
What the score means
The 8.2 out of 10 score is an editorial assessment under the same 42-criterion, seven-category framework. The rubric covers detection, integration, latency, response shape, freshness, false-positive discipline and commercial access. The published scale runs from 0 to 10.
The award and score are distinct. Read all criteria and relative weights and verify the required signal and integration for your traffic.
How to evaluate it
Test controlled datacenter, residential, mobile, VPN and direct IPs. Record the returned type/provider/risk fields, missing cases, response time and shared-network outcomes.
Public IP checker and API access
Use the public checker for permitted IPs, then evaluate the documented API under the applicable allowance.
Open evaluation routeSources and further reading
- Product and detection approach · checked October 23, 2026
- Pricing and access · checked October 23, 2026
- Integration and result documentation · checked October 23, 2026
- v3 API release and response contract · checked October 23, 2026
FAQ
Which version should a new integration inspect?
Read stable v3 documentation and pin the supported response contract. Existing v2 integrations use different field types.
How much free access is available?
1,000 queries per day on the free plan.
Is its output only a yes-or-no?
No. v3 documents multiple boolean detections plus risk and confidence, with nested enrichment fields.