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PostalDataPI VS SerpApi

Compare PostalDataPI VS SerpApi and see what are their differences

PostalDataPI

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

Rating
0 reviews
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Alternatives Is it good?
SerpApi

Access real-time results from Google and 100+ search engines with a simple API. No proxies, CAPTCHAs, or parsing required.

Rating
0 reviews
Pricing
Freemium
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Alternatives Is it good?
Tokino
Work toward more AI recommendations for your home-service business. Start with a free scan; Core checks your progress every week. sponsored

Which is more popular?

Based on our record, SerpApi seems to be more popular. It has been mentioned 107 times since March 2021.

social mentions
0 vs 107
Postcode API popularity
100% vs 0%
alternatives listed
12 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

PostalDataPI
SerpApi
Website postaldatapi.com serpapi.com
Pricing
Official pricing
Freemium Official pricing
Company Startup from the United States · 1 - 9 employees · 2026 Startup from the United States · 50 - 99 employees
Listed in
APIs REST API Postal Management Zip Lookup Postcode API Geocoding Address Verification API Geolocation API Developer Tools +6
APIs Search API Developer Tools SEO SEO Tools SERP Rank Tracker Content Marketing +4

About PostalDataPI and SerpApi

In their own words, as submitted to SaaSHub.

PostalDataPI
SerpApi

PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates,...

Read more about PostalDataPI

We help you automate gathering data from search engines like Google, Bing, or Yahoo. What's cool about SerpApi is that it handles all the scraping complexities for you, like dealing with CAPTCHAs, managing IP addresses, and parsing data into a structured JSON. So you don't have to worry...

Read more about SerpApi

Features and specs

What each product offers, as listed by its team.

PostalDataPI 5 features
SerpApi 5 features
  • Specialized Postal Data
    PostalDataPI focuses specifically on postal and address-related data, providing dedicated endpoints for ZIP code lookups, address validation, and geographic postal information, making it a niche solution for mailing and logistics needs.
  • Simple API Integration
    The API appears to offer straightforward RESTful endpoints that are relatively easy to integrate into existing applications, requiring minimal setup and configuration for developers.
  • Useful for Address Validation
    The service can help businesses validate and standardize mailing addresses, reducing undeliverable mail, saving postage costs, and improving data quality in customer databases.
  • Geographic Data Enrichment
    PostalDataPI can enrich address data with additional geographic information such as coordinates, county, and timezone details associated with postal codes, which is valuable for analytics and location-based services.
  • Lightweight and Focused
    As a specialized micro-API, it avoids the bloat of larger platforms, offering a focused toolset that does one thing well — handling postal and ZIP code data without unnecessary complexity.

Possible disadvantages

  • Limited Public Awareness
    PostalDataPI is not widely known or widely reviewed compared to major competitors like SmartyStreets, Google Geocoding API, or Melissa Data, making it harder to assess reliability and long-term viability.
  • Sparse Documentation and Community Support
    As a smaller or lesser-known service, it may lack comprehensive documentation, tutorials, and an active developer community, which can make troubleshooting and advanced usage more challenging.
  • Uncertain Data Coverage
    It is unclear how comprehensive the postal data coverage is — whether it supports international postal codes or is limited to specific countries, which could be a significant limitation for global applications.
  • Unknown Uptime and Reliability Track Record
    Without widespread usage reports or published SLA guarantees, it can be difficult to trust the service for mission-critical applications that require high availability and consistent performance.
  • Limited Feature Set Compared to Competitors
    Larger address validation and postal data providers offer additional features like autocomplete, batch processing, CASS certification, and deliverability scoring that PostalDataPI may not provide.
  • Comprehensive Data Extraction
    SerpApi provides a powerful and easy-to-use API for extracting search engine results, allowing users to access a wide variety of data types such as ads, maps, organic results, and more from multiple search engines.
  • Real-time Data
    The API is designed to retrieve real-time search results, which is crucial for applications that rely on up-to-date information, such as market research and competitive analysis.
  • Easy Integration
    SerpApi offers detailed documentation and client libraries in multiple programming languages, simplifying the integration process for developers across different platforms.
  • Scalability
    SerpApi is able to handle large volumes of requests, making it suitable for businesses of various sizes, from startups to large enterprises needing to gather extensive data.
  • Automated Billing
    The platform provides automated billing and usage management which ensures that businesses can easily manage their costs and understand their data usage.

Analysis

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

PostalDataPI
SerpApi

Overall verdict

  • I don't have verified, up-to-date information specifically about PostalDataPI (postaldatapi.com), including details on its accuracy, pricing, uptime, or customer reviews. I can't confirm whether it's a good product without more direct data or firsthand testing, so I'd recommend evaluating it yourself using the criteria below before committing.

Why this product is good

  • Unable to verify specific claims about data accuracy, coverage, or update frequency for this service
  • No confirmed information on pricing tiers, rate limits, or API reliability (SLA/uptime)
  • No verified user reviews, testimonials, or third-party comparisons available
  • Company background, support quality, and documentation quality are unconfirmed
  • If considering this service, check for: free trial/sandbox access, transparent pricing, data source citations, response time benchmarks, and independent reviews on sites like G2 or Trustpilot

Recommended for

  • Not able to make a specific recommendation without verified data
  • Best approach: developers needing postal/address validation APIs should compare this against established alternatives (e.g., SmartyStreets, Lob, Google Maps Geocoding API, USPS Web Tools) based on documented accuracy and pricing
  • Suitable evaluation candidates: teams willing to test the API directly with sample data before integrating into production systems

Overall verdict

  • Overall, SerpApi is regarded as a reliable and efficient tool for accessing real-time search engine data, particularly beneficial for developers and businesses focused on SEO, market research, and data-driven decision making.

Why this product is good

  • SerpApi, a provider of Google Search API services, is considered good due to its ability to bypass search result scraping challenges by providing reliable and real-time search data with a simple interface. It also offers comprehensive support for various types of searches including images, news, and shopping. Its robust documentation, active customer support, and continuous updates to accommodate changes in search engine algorithms further enhance its reputation.

Recommended for

  • SEO professionals who need accurate and up-to-date search engine results.
  • Developers who want to integrate search functionalities into their applications without dealing with scraping issues.
  • Market researchers looking for insights into search trends and consumer behavior.
  • Businesses that need to monitor their online presence or competitors’ performance on search engines.

Videos

Walkthroughs and reviews on video.

PostalDataPI 2 videos + Add
SerpApi 3 videos + Add

PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries

More videos

  • - PostalDataPI Tutorial: Your First Postal Code API Call in 5 Minutes

OpenAI Function Calling - Connect AI to the Internet

More videos

  • - Scrape Google Search using Python
  • - Scrape Google Maps reviews data using Python

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
PostalDataPI
SerpApi
100% 100%
Postcode API
0% 0%
3% 3%
APIs
97% 97%
100% 100%
Address Verification API
0% 0%
0% 0%
Web Scraping
100% 100%

Questions & Answers

As answered by people managing PostalDataPI and SerpApi.

Why should a person choose your product over its competitors?

SerpApi's answer:

We provide more search engines under one subscription.

How would you describe the primary audience of your product?

SerpApi's answer:

Developers/Companies who need data from search engines.

Which are the primary technologies used for building your product?

SerpApi's answer:

Ruby on Rails and MongoDB

What makes your product unique?

SerpApi's answer:

We're the first web scraping company that focus on scraping search engines.

What's the story behind your product?

SerpApi's answer:

Back in 2017, Julien Khaleghy, the founder of SerpApi, built an iOS app that can analyze data from a picture. iOS didn't have a proper machine learning framework back then. It was challenging: iPhones' RAM were limited, no GPU or no dedicated chip acceleration were available, using only CPU was painfully slow, and compiling/porting C code from machine learning framework like Tensorflow or Caffe to iOS wasn't straightforward. Oddly, all of this wasn't the most difficult part of this project. Collecting images from Google Images was.

In these projects, 80% of his time ended up being spent on scraping and parsing Google Images. And maybe only 20% on actual machine learning model training, UI design of the actual apps, and iOS programming. This is how SerpApi was born.

Who are some of the biggest customers of your product?

SerpApi's answer:

  • Airbnb
  • Nvidia
  • Meta
  • Shopify
  • Grubhub
  • and more!

User comments

Share your experience with using PostalDataPI and SerpApi. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

PostalDataPI 0 mentions
SerpApi 107 mentions

Tracking PostalDataPI since Apr 2026.

  • Markdown vs. JSON: Which Response Format Should You Use?
    > > _Ways to get Markdown output_ An application can use different response formats for different tasks. For example, a research agent could consume Markdown for a broad search-and-summarize step, while a separate data collection... - Source: dev.to / 3 days ago
  • Ask HN: Who is hiring? (November 2026)
    SerpApi | https://serpapi.com | Junior to Senior Fullstack Engineer multiple positions | Customer Success Engineer | Hiring Coordinator | Python/Ruby/PHP/Js/Rust/Kotlin/C#/Crystal/Nim/Elixir Developer Advocate positions | Based in... - Source: Hacker News / 9 days ago
  • I turned my inbox into a graveyard. 199 ghosts rose, and one had been silent for 7.8 years
    Breach list: Have I Been Pwned (CC BY 4.0). Delete links: JustDeleteMe (MIT). Model: Gemma, run with Ollama. Live search: SerpApi. The film's voice is from Fish Audio, which isn't open source; its music and sound effects come from the... - Source: dev.to / 11 days ago

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