• Verify Your Contact Data

    with real-time APIs.

    Clean-up and verify the addresses, names, emails and other contact data in your database. Get started instantly!
  • Reduce Fraud & Waste

    with real-time contact validation.

    Contact & Data Validation APIs to improve data quality. Start your
    real-time free trial now!
  • Address Verification

    to increase your shipping efficiency.

    Validate, correct and append mailing addresses in real-time. Reduce over-printing, lost shipments and lost postage from undeliverable mail.
  • Email Address Validation

    to reduce bounces and spam.

    Clean, correct and verify email addresses when they enter your system. Reduce the threat of spam traps, and blacklisting with warnings and quality scoring.
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Built for Developers

Service Objects is committed to providing software developers and programmers the highest level of contact validation APIs available. We support a variety of programming languages including Java, C# and PHP to make your integration smooth and flawless.


Using our lead validation API for developers allows you to improve and standardize contact information at the point of entry. Our lead validation and contact verification APIs instantly compare user-provided data with certified address and phone databases to ensure accuracy and deliverability. With a contact verification API, it becomes possible to instantly correct and append contact data, detect bogus names, perform reverse phone and address lookups, and ensure deliverability.

Lead validation tools include lead scoring, helping your sales team to focus on those leads most likely to convert. Our lead and contact verification APIs improve data quality in real time, minimize waste, score sales leads, provide deeper demographic insights, and help to increase conversion rates.

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Our address validation APIs for developers instantly verify addresses across the United States and Canada. Choose from several address validation and geocode APIs. Whether you need to extract latitude and longitude coordinates for addresses, extract detailed demographic information, cross-reference addresses against the National Change of Address database, verify address deliverability, or would like a comprehensive address validation API to validate, parse, correct, and append contact address data based on USPSĀ® certified data, our real-time address verification APIs for developers ensure address accuracy and eliminate costly data errors in real time.

Address validation APIs are available for both US and Canadian mailing systems.

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Append phone numbers to existing customer records, find addresses with reverse phone lookup, and validate phone numbers in an instant with real-time phone APIs. Our phone number reverse lookup API provides accurate contact information associated with a given telephone number such as contact name and address, line type, and provider name and location.

Developers use our phone APIs for telephone verification, to append phone numbers, to enhance customer service by identifying customers from CallerID, and more.

Telephone verification is used to instantly verify a customer's phone number in real-time. Not only does telephone verification help to prevent fraud, it eliminates the need for manual telephone verification.

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Instantly validate email addresses, and gain rich demographic insights with real-time email validation APIs. Several email validation APIs for developers are available. Our email address verification API validates email addresses at the point of entry, instantly correcting typos, syntax errors, and common domain misspellings while simultaneously warning you of potential data quality issues. By weeding out bogus and undeliverable emails at the source, these email validation APIs reduce bounce rates, improve deliverability, and protect against becoming blacklisted by ISPs.

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Calculate sales tax for eCommerce orders, ensure tax compliance, and validate credit card metadata with sales tax software and BIN validation tools for developers.

Our real-time, real-time sales tax API instantly calculates sales and use tax for addresses in the United States and Canada. Sales tax verification takes place at the street address level, ensuring the highest level of accuracy possible.

Our bank ID number validation API is one of the most essential eCommerce tools for developers interested in countering online fraud. Bank ID number validation allows for real-time warning of potentially fraudulent transactions. For example, a mismatch between the country of issuance and the shipping address should prompt a review before an order is shipped.

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