Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

OneLogin
Okta
Auth0
Microsoft Azure Active Directory
Atlassian Crowd
Google Cloud IAM
Amazon Cognito
Ping Identity provides cloud-based, single sign-on and identity management solutions with their SAML SSO.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | pingidentity.com |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
No description of Ping Identity yet.
What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Ping Identity is well-suited for medium to large enterprises looking for scalable identity solutions, especially those wanting to enhance their security posture, achieve regulatory compliance, or improve the user experience with smoother access management.
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Okta vs. Ping Identity - Which Stock to Buy? Identity and Access Management (IAM) Cloud Stocks
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How often each product is chosen within a category, 0–100% relative to the other.

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External articles and on-site reviews we used to compare the two products.

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Ping Identity’s SSO solution is built to scale and enables staff to access all workspace applications—whether mobile, cloud, enterprise, or SaaS—using one set of credentials, via their centralized employee dock. This...
Ping Identity features robust security, amazing end user experience, directory integration, and so much more. It is an intelligent identity platform that offers various cloud deployment offerings such as SSO solution,...
Ping Identity is no slouch in other areas of IAM such as SSO, Data Access Governance, and User Directories. The product is not without complaints, mainly about its high price point and API communications. That said,...
When comparing ZIP Code API and Ping Identity, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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On-demand SSO, directory integration, user provisioning and more
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Enterprise-grade identity management for all your apps, users & devices
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Auth0 is a program for people to get authentication and authorization services for their own business use.
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