Lead411 vs Zintlr
Lead411
lead411.comZintlr
zintlr.comSide by side
| Figure | Lead411 | Zintlr |
|---|---|---|
| Price from | $40.83/mo | $89/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | — | Yes |
| API | Yes | Yes |
| Plans published | 5 | 5 |
| Spec score · B2B Contact Data Providers | 9.0 (#4) | 8.5 (#26) |
| API Access | Lead411 offers a developer-friendly lead enrichment API and an unlimited B2B data API. | Yes |
| Company History | Lead411 says it has been in the contact data business since 2011. | Zintlr says it started in 2022 and launched its product in February 2023. |
| Data Verification | Contact data uses machine learning, human verification, and real-time email validation. | Zintlr says it verifies email data with machine-learning checks, timestamp verifications, SMTP email verification, and feedback loops. |
| Direct-dial data | Yes | Yes |
| Founded | 2001 | 2022 |
| Free Plan | The free Pilot plan lasts 7 days and includes 50 free exports. | Yes |
| Headquarters | Boulder, Colorado, USA | Bengaluru, Karnataka, India |
| Intent data | Yes | Yes |
| Technographic filters | Yes | Yes |
Plans
Lead411
- Pilot LightFree
- Spark$490 a year
- Ignite$1,500 a year
- BlazePriced on request
- PilotFree
Zintlr
- FreeFree
- Growth$89 a month
- Pro$6,922 a month
- EnterprisePriced on request
- FreePrice not published
In their own words
Lead411
Lead411 is a B2B contact data and prospecting service with direct-dial data, buyer intent data, technographic filters, and API access. Its Chrome Extension is for browsing LinkedIn and other company websites, and the service integrates with Salesforce, HubSpot, Pipedrive, Outreach.io, and other platforms. Lead411 says its contact data process combines machine learning, human verification, and real-time email validation; it claims 96%+ email deliverability accuracy and a 97% average for optimized verified emails. Direct dials receive human verification and location matching. Most plans offer unlimited lead searches and exports, though some have monthly or yearly limits; unused exports roll over to the next billing cycle. The Pilot plan provides 50 free exports during a 7-day trial. Paid plans start at 49 USD per month. Monthly plans can be canceled at any time; annual-plan options require contacting support. Lead411 says it was founded in 2001 and is headquartered in Boulder, Colorado. It also states that it is a registered data broker under applicable state laws, including Texas law.