NinjaPear vs Zintlr: Honest Comparison (2026)
NinjaPear and Zintlr aren't competitors. Comparing them is like comparing Clearbit and Hunter.io - one's a developer-first company intelligence platform delivered via API, the other is a contact database with a Chrome extension built for sales reps. They share a neighborhood but live in different houses.
If you're here expecting a clean head-to-head, we'll give you one. But let's be honest: the more useful question isn't "which is better" - it's whether either tool actually solves the problem you have.
30-Second Verdict
- Pick NinjaPear if you're a developer building company intelligence into your product via API and you're comfortable with a 12-month commitment on an unreviewed tool.
- Pick Zintlr if you're a sales rep who wants emails, phone numbers, and personality-driven outreach personalization - especially if you prospect heavily in India, where Zintlr positions its data as 98% accurate.
- Pick neither if your core need is verified emails and direct dials for outbound at scale. There are better, contract-free options purpose-built for that.
What Is NinjaPear?
NinjaPear is the successor to Proxycurl, which the Nubela team shut down after LinkedIn filed a lawsuit in early 2025. Proxycurl had grown to roughly $10M in revenue before the shutdown. NinjaPear is now a competitive/company intelligence data platform built around APIs - what the team calls "a data company made possible by LLMs" - and it explicitly avoids scraping behind login walls or professional social platforms.
Here's the part nobody else is telling you: before the current data pivot, NinjaPear v1 launched as an AI live chat product. It attracted 163 registered users and zero integrations before the team abandoned it and returned to data. That's two pivots in under a year.
The current product includes endpoints like Customer Listing, Competitor Listing, Company Details, Employee Count, Person Profile, Monitor API, plus Company Logo, Company Funding, Company Updates, and a Disposable Email Checker. It's developer-first with Python and Node.js client libraries and 300 requests/minute rate limits with a 5-minute window that allows bursts up to 1,500 requests. It could be great. But the track record demands caution.
We couldn't find any actionable Reddit threads about either tool - another signal of how niche both products remain.
What Is Zintlr?
Zintlr is a contact database with 250M+ professionals and 70M+ companies, advertising 92% global accuracy and 98% accuracy for Indian data. Their data page also references "500M+ business profiles" alongside the 250M+ professionals figure - the relationship between those numbers isn't explained.
The standout feature is zPersonality, which generates AI personality insights to help reps tailor outreach tone. There's a Chrome extension called zScout for prospecting on the web, plus a credit system used when you unlock emails, phone numbers, personality insights, or exports.
On G2, Zintlr holds a 4.5/5 rating across 39 reviews, with users praising the easy interface and personality insights. Think Apollo's younger, scrappier cousin with a personality twist. In our experience, tools with sub-50 G2 reviews are still in their validation phase - useful to test, risky to depend on.
Feature Comparison
| Feature | NinjaPear | Zintlr | Verdict |
|---|---|---|---|
| Product type | Company/competitive intel APIs | Contact database | Depends on role |
| Primary use case | Dev workflows | Sales prospecting | Zintlr for most teams |
| Database size | Not disclosed | 250M+ professionals | Zintlr |
| Accuracy claims | Not disclosed | 92% global, 98% India | Zintlr by default |
| Chrome extension | No | Yes (zScout) | Zintlr |
| API access | Yes (REST) | Enterprise plan only | NinjaPear |
| CRM integrations | No native | Limited | Neither wins |
| Client libraries | Python, Node.js | None | NinjaPear |
| User reviews | None public | G2: 4.5/5 (39) | Zintlr |

They're solving fundamentally different problems. NinjaPear's value is in its endpoints for company relationship mapping. Zintlr's value is in contact search, phone/email unlocks, and personality insights.

NinjaPear locks you into 12 months with zero reviews. Zintlr's accuracy claims top out at 92% globally. Prospeo delivers 98% verified email accuracy across 143M+ contacts and 125M+ mobile numbers - with a 7-day data refresh, no contracts, and a free tier to prove it.
Stop comparing niche tools. Start closing with data that works.
Pricing Breakdown
| NinjaPear | Zintlr | |
|---|---|---|
| Entry price | Pay-as-you-go available; published plans reference $1,899/mo | $0/mo (free tier) |
| Free tier | 3-day trial, 10 credits | 15 phone + 15 email/mo |
| Credit cost | $0.009/credit on the $1,899/mo plan | Bundled by plan |
| Commitment | 12-month on Monthly & Annual plans | Cancel anytime |
| Cancellation | Fees equal remaining months unpaid | Access until renewal; read-only after |
| Credit expiry | Subscription credits expire each cycle; PAYG credits valid 18 months | Unused monthly credits expire at month end |

Here's the thing: NinjaPear requiring a 12-month commitment on its monthly and annual plans - for a product with zero public reviews and two pivots in a year - is the most aggressive pricing lock-in we've seen in the B2B data space. We've watched teams get burned by long commitments on unproven tools. At minimum, exhaust the 3-day trial before signing anything.
The credit burn mechanics matter too. NinjaPear's Customer Listing endpoint costs 1 credit per request plus 2 credits per customer returned - a 100-customer query burns 201 credits. At $0.009/credit, that's $1.81 per query. Costs compound fast.
One thing easy to miss with Zintlr: the Growth plan at $89/mo is billed every six months, meaning $534 upfront. The Pro plan at $69/mo is billed annually - $828 upfront. Neither is truly "monthly" despite the per-month framing.
What Users Actually Say
Zintlr has enough reviews to form a picture. On G2, 76% of reviews are 5-star, with praise for the easy interface and personality insights. Complaints cluster around CRM integration gaps and inconsistent data quality. On Product Hunt, where it holds a 4.6/5 across 18 reviews, users flag a more frustrating pattern: the Chrome extension getting stuck in a "Processing your data... refresh" loop, "coming soon" features that aren't actually built yet, and no knowledge base for troubleshooting.

NinjaPear has no third-party reviews. No G2 profile, no Capterra listing, no community threads with real user feedback. You're buying on faith in the Nubela team's track record with Proxycurl.
Who Should Pick Which
Pick NinjaPear if you're a developer who needs customer/competitor relationship data via API and you're comfortable committing 12 months to a product you can't validate through peer reviews.

Pick Zintlr if you're a sales rep prospecting heavily in India or you genuinely value personality-driven outreach customization. Start with the free tier before committing to semi-annual billing.
For teams that just need a reliable contact database without the niche positioning of either tool, skip both. Neither NinjaPear nor Zintlr was designed for high-volume verified outbound.
If Neither Fits
If your core need is verified emails and direct dials for outbound, this NinjaPear vs Zintlr matchup isn't the right frame. Prospeo covers 143M+ verified emails at 98% accuracy and 125M+ verified mobile numbers with a 30% pickup rate. Data refreshes every 7 days - the industry average is roughly 6 weeks. The free tier gives you 75 emails/month with no contracts and self-serve onboarding. Over 30 search filters cover buyer intent, technographics, job change signals, and headcount growth. No 12-month commitment. No half-built features.


Zintlr's Chrome extension gets stuck in refresh loops. NinjaPear doesn't even have one. Prospeo's extension has 40,000+ users finding verified emails and direct dials from any website or CRM in one click - at $0.01 per email with no annual commitment.
Skip the compromises. Get verified contact data in seconds.
FAQ
Is NinjaPear the same as Proxycurl?
No. Proxycurl was shut down after a LinkedIn lawsuit filed in early 2025. NinjaPear is the successor from the same team at Nubela, repositioned around company/competitive intelligence APIs that avoid scraping behind login walls and professional social platforms.
Does Zintlr have a free plan?
Yes. The free tier includes 1 seat, 15 phone credits, and 15 email credits per month - no credit card required. That's enough to test data quality on a small list before committing to semi-annual billing.
What's the best tool for verified emails and phone numbers?
Prospeo delivers 98% email accuracy across 143M+ verified emails and 125M+ verified mobiles with a 7-day data refresh cycle. Free tier with 75 emails/month, no contract, cancel anytime. See pricing here.
Can I use NinjaPear for sales prospecting?
Not effectively. NinjaPear is built for developers who need company relationship data via API - competitor mapping, customer listings, employee counts. It doesn't offer a contact search interface, Chrome extension, or email/phone unlock workflow that sales reps need for day-to-day prospecting.
