Comparison
LayerCall vs IPQualityScore
Both answer questions about whether a signup is real. IPQualityScore is a fraud prevention suite; LayerCall returns IP, email, phone, domain and device from one request. Which is the better buy depends on how many of those you need to ask about.
What each one is
A broad fraud-prevention platform: IP reputation, email and phone validation, device fingerprinting and a rules engine, sold as one suite to fraud teams.
Their current pricing →One request returns IP, email, phone, domain and device together, on one key and one quota — because the signal that catches a fake signup is usually the relationship between them, and that relationship does not exist inside any single check.
Our pricing →We never quote IPQualityScore’s prices. Where the table below states a fact about them, it is read from their own public page, linked beside the claim with the date we read it, and dropped if it goes sixty days unchecked. Their pricing is linked above and is always current.
About IPQualityScore’s side of this page: we describe what kind of product it is, and where we state a fact about it we quote their own public page, link to it, and show the date we read it — and we never quote their prices, which change without notice. Where their pages do not say, we say that rather than guess. Anything current comes from them: IPQualityScore’s own pricing page. Product names and trademarks belong to their owners; LayerCall is not affiliated with, endorsed by, or partnered with IPQualityScore.
Point by point
Every row is a point we set out to meet. Ours is checkable on this site; theirs is read from IPQualityScore’s own public pages, each claim linked to the page it came from and dated. A dash means their pages do not say — which is not a no.
| Point | LayerCall | IPQualityScore | ||
|---|---|---|---|---|
| A free tier that needs no card | Yes | 1,000 lookups a month, every endpoint, no card, no daily cap. At the limit it stops rather than billing. | Yes | Free plan: 1,000 lookups per month with a 35-per-day cap; no credit card required. Behaviour at the limit is not stated. their page → Checked 3 Sept 2026. |
| Device fingerprinting on every plan | Yes | Included on every plan, the free one too. | No | Device Fingerprinting and Mobile SDK Access are listed under the Enterprise plan on the plans page, not under Free, Startup or SMB. their page → Checked 3 Sept 2026. |
| The signals come back with the score | Yes | The signals behind it, and an allow / review / block verdict you tune with strictness. A number alone is unappealable. | Yes | Returns fraud_score plus signal fields, and a strictness setting their docs say is VERY strict at levels 2 and above. their page → Checked 3 Sept 2026. |
| A test mode that never bills | Yes | Synthetic data, labelled as such in every response, never billed, never written to the shared network. How it works | Not stated | Not stated on their public pages. Checked 3 Sept 2026. |
| Repeat lookups are not charged | Yes | Cached repeat lookups are free, every response carries billable_lookups, and you set your own spend cap. | Not stated | A Credit Usage API reports available credits and usage for the billing period. No statement found on repeat-lookup pricing, spend caps, or cost in a response. their page → Checked 3 Sept 2026. |
| Accuracy published with sample size and method | Yes | Published with the sample size, the method and the corpus. The figures | No | Plans page states 99.9% accuracy for email validation; no sample size or method is given. their page → Checked 3 Sept 2026. |
| Verifies an AI agent's signature | Yes | Verifies an agent’s Web Bot Auth signature and decides what a verified agent may do. Agent endpoints | Not stated | Not stated on their public pages. Checked 3 Sept 2026. |
When IPQualityScore is the better buy
You have a fraud team and want a platform rather than an API — dashboards, case review, and a vendor relationship with people who will sit on a call with you. That is a different kind of purchase from a key and an endpoint.
Weighing more than one option? Every IPQualityScore alternative we know of, ranked — including the ones that are a closer swap than we are.