Software Alternatives, Accelerators & Startups

Copper VS ZIP Code API

Compare Copper VS ZIP Code API and see what are their differences

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Copper logo Copper

Copper (formerly ProsperWorks) is easy-to-use customer relationship management for small businesses. Capture contacts and sales leads direct from Gmail with our simple CRM.

ZIP Code API logo ZIP Code API

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
  • Copper Landing page
    Landing page //
    2023-05-09
  • ZIP Code API Landing page
    Landing page //
    2026-05-21

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America โ€” no separate APIs by country or data type.

What it does

  • Address validation and standardization โ€” production-grade parser with ZIP+4 append, refreshed monthly
  • Radius search โ€” centroid haversine and true spatial polygon intersection. Returns ZIPs/FSAs within range, with per-result pct_inside overlap percentage for spatial queries
  • Unified lookup endpoint โ€” accepts US ZIP, ZIP+4, Canadian FSA, full Canadian postal codes, or latitude/longitude inputs
  • Autocomplete/typeahead โ€” cities, counties, metros, states, FSAs, ZIPs
  • Point-to-point distance โ€” between any two postal points
  • Census ACS demographics โ€” 2011โ€“2024, 542 fields per ZIP across income, education, housing, social, and economic profiles
  • Boundary lookups โ€” Census tracts, congressional districts, state legislative areas, school districts โ€” with computed intersection percentages per ZIP

What makes it different

  • Licensed commercial data โ€” not commodity or scraped sources
  • Canadian postal coverage โ€” most peers in this space are US-only
  • True spatial radius โ€” not just centroid haversine
  • 14 years of historical ACS depth via API โ€” unusual outside of raw Census downloads
  • One endpoint for all of North America โ€” no country-detection or input-routing logic to maintain on the client side

Pricing

  • Free โ€” 2,500 lookups/day, no credit card required, no expiry
  • Developer โ€” $49/mo, 100K credits, 300/min
  • Professional โ€” $149/mo, 350K credits, 300/min
  • Business โ€” $499/mo, 1.5M credits, 600/min
  • Credit packs โ€” one-time, from 25K ($19) up to 2M ($799)

Resources

Copper

Website
copper.com
Release Date
-
Startup details
Country
United States

ZIP Code API

Pricing URL
-
Release Date
2026 April
Startup details
Country
United States
State
NY

Copper features and specs

  • Integration with Google Workspace
    Copper integrates seamlessly with Google Workspace, allowing users to manage CRM tasks directly within Gmail, Google Drive, Calendar, and other Google services. This native integration enhances productivity and reduces the need for switching between different applications.
  • User-friendly Interface
    The platform is designed with ease-of-use in mind, featuring an intuitive and straightforward user interface. This makes it accessible for users with varying levels of technical expertise.
  • Customization Options
    Copper provides a range of customization options, allowing users to tailor the CRM to their specific business processes and workflows. This flexibility can help businesses align the tool more closely with their unique needs.
  • Automated Workflow
    The CRM offers robust automation features, such as task automation, follow-up reminders, and automated data entry, which help save time and ensure that important activities are not missed.
  • Strong Customer Support
    Copper is known for its responsive customer support team, offering multiple channels for assistance including live chat, email, and phone support. This ensures users can quickly resolve any issues they encounter.

Possible disadvantages of Copper

  • Limited Advanced Features
    While Copper is powerful for basic CRM tasks, it lacks some of the advanced features found in more complex CRM systems, such as extensive analytics, advanced custom reporting, and intricate sales automation capabilities.
  • Cost
    Copper's pricing can be relatively high compared to other CRMs, especially for small businesses or startups with tight budgets. The costs can add up quickly, particularly when additional features or higher-tier plans are required.
  • Mobile App Limitations
    The mobile app, although functional, does not offer the same level of features and usability as the web version. Some users might find the mobile experience limiting for on-the-go CRM management.
  • Dependency on Google Workspace
    Since Copper is heavily integrated with Google Workspace, businesses not using Google services may find the CRM less attractive or useful. Additionally, any issues with Google services could impact CRM functionality.
  • Limited Third-Party Integrations
    Copper offers fewer third-party integrations compared to some other CRMs. This limitation can affect businesses that rely on a diverse set of tools and require their CRM to integrate with various software solutions.

ZIP Code API features and specs

  • Comprehensive ZIP Code Data
    The ZIP Code API from zip-codes.com provides extensive data including ZIP code details, city information, state data, and geographic coordinates, making it a thorough resource for location-based lookups.
  • Multiple Lookup Options
    The API supports various types of lookups including ZIP code to city/state, city/state to ZIP code, distance calculations between ZIP codes, and radius searches, offering flexible querying capabilities.
  • Easy Integration
    The API uses standard REST-based HTTP requests and returns data in commonly used formats like JSON and XML, making it straightforward to integrate into most applications and programming languages.
  • Distance and Radius Calculations
    The API includes built-in functionality for calculating distances between ZIP codes and finding ZIP codes within a specified radius, which is valuable for store locators, shipping estimates, and proximity-based features.
  • Well-Documented Endpoints
    The API provides clear documentation for its various endpoints and parameters, helping developers understand available features and implement them correctly without extensive trial and error.

Analysis of Copper

Overall verdict

  • Overall, Copper is considered a good CRM option, especially for small to medium-sized businesses that heavily use Google Workspace. It offers robust features, reliable performance, and good customer support, making it a viable choice for companies looking to streamline their customer relationship management.

Why this product is good

  • Copper (copper.com) is known for its intuitive CRM platform that integrates seamlessly with Google Workspace. It's designed to help businesses manage their relationships and sales processes efficiently. Users often praise its user-friendly interface, automation capabilities, and the ability to access information directly from their inboxes, which saves time and reduces the need to switch between different apps.

Recommended for

    Copper is highly recommended for small to medium-sized businesses, teams that rely on Google Workspace, and organizations looking for an intuitive and easy-to-use CRM solution. It's particularly suited for businesses looking to improve their sales processes and collaboration efficiency without the complexity of more intensive CRM systems.

Analysis of ZIP Code API

Overall verdict

  • ZIP Code API from zip-codes.com is a solid, reliable choice for developers and businesses needing accurate US and Canadian postal code data, offering a straightforward RESTful interface with regularly updated databases.

Why this product is good

  • Provides accurate and frequently updated ZIP code, city, state, and geographic data
  • Offers a simple RESTful API that is easy to integrate into web and mobile applications
  • Supports features like ZIP code lookup, radius search, and distance calculations
  • Includes both US ZIP codes and Canadian postal codes for broader coverage
  • Backed by an established data provider with a long track record in postal data

Recommended for

  • Developers building address validation or autofill features
  • E-commerce platforms needing shipping and location-based calculations
  • Businesses performing geographic or radius-based store locators
  • Applications requiring reliable US and Canadian postal data
  • Marketing and logistics teams that need regional or demographic targeting

Copper videos

How it Works - Copper (formerly ProsperWorks) Crm for Google

More videos:

  • Demo - Extended Copper (Formerly ProsperWorks) Web Demo
  • Review - prosperworks crm user review contact not in project is it a bug or feature?
  • Review - Equipment Review: The Best Copper Skillets
  • Review - Are Copper Peptides Worth the Hype? | Doctorly Reviews
  • Review - Mountain Review: Copper, Colorado

ZIP Code API videos

No ZIP Code API videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Copper and ZIP Code API)
CRM
100 100%
0% 0
Zip Lookup
0 0%
100% 100
Sales
100 100%
0% 0
APIs
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Copper and ZIP Code API

Copper Reviews

Top 9 Best Copper CRM Alternatives for Businesses in 2023
Are you looking for a CRM system that is similar to Copper CRM but offers more features? There are a number of great CRM systems available that have a lot of the same features as Copper CRM. In this blog post, weโ€™ll take a look at some of the best Copper CRM alternatives. Keep reading to learn more!
Source: magenest.com
Top 21 Salesforceโ€™s Competitors and Alternatives
In Feb 2021, Copper CRM acquired Sherlock. This engagement analytics platform visualizes the entire customer journey and provides information about their intent, engagement, and product usage. With Sherlock, Copper CRM can entice sales teams from Salesforce. [25]
14 Best Copper CRM Alternatives to Use in 2022
The 14 best Copper alternative solutions mentioned in this CRM comparison for small businesses offer the same or better functionality than Copper CRM. Unlike Copper, these tools not only integrate with G Suite but a variety of other software, providing you the room to work with the tools you like.
9 Cheap Salesforce Alternatives that Make CRM as Simple as Amazon.com
Great article Michael! One addition which would be perfect for this list would be ProsperWorks (https://www.prosperworks.com/), a simple CRM for Google Apps. ProsperWorks, seamlessly integrates with Gmail and is highly recommended for small businesses as it is very simple and easy to use with almost zero data entry. Would love to hear what you think!

ZIP Code API Reviews

We have no reviews of ZIP Code API yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Copper seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Copper mentions (1)

  • Is there anyone taking on Salesforce and Hubspot?
    I've seen Copper CRM work quite well for contractors (assuming that your team is using or open to using Google Workspace - if you're not using Google Workspace, I'd probably ask why not? But then recommend you to use Pipedrive if you're not willing to switch to Google Workspace). Source: over 3 years ago

ZIP Code API mentions (0)

We have not tracked any mentions of ZIP Code API yet. Tracking of ZIP Code API recommendations started around May 2026.

What are some alternatives?

When comparing Copper and ZIP Code API, you can also consider the following products

Zoho CRM - Omnichannel CRM for Businesses of all sizes

Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.

Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.

Zipcodestack - Free Zip Code API - Free Postal Code Validation | Zipcodestack

Freshsales CRM - A full-fledged CRM for high-velocity sales teams.

PostalDataPI - The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.