{ "status": "invalid" }
curl --location --request POST 'https://zylalabs.com/api/9837/whatsapp+contact+validation+api/18471/validation' --header 'Authorization: Bearer YOUR_API_KEY'
--data-raw '{
"phone_number": "447984231122"
}'
[{"phone_number":"447748188019","status":"invalid"},{"phone_number":"447999999999","status":"invalid"},{"phone_number":"447999999977","status":"valid"}]
curl --location --request POST 'https://zylalabs.com/api/9837/whatsapp+contact+validation+api/18472/bulk+validation' --header 'Authorization: Bearer YOUR_API_KEY'
--data-raw '{
"phone_numbers": [
"447748188019",
"447999999999",
"447999999977"
]
}'
After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the WhatsApp Contact Validation API simply include your bearer token in the Authorization header.
| Header | Description |
|---|---|
Authorization
|
Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
|
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
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The WhatsApp Contact Validation API allows you to quickly, reliably, and automatically verify and validate WhatsApp numbers. Its main purpose is to help companies, developers, and platforms ensure that the numbers entered by users or customers are real, active, and use the messaging app, avoiding incorrect or inactive data that could affect communication.
The API is easy to integrate thanks to its flexible design and clear documentation, allowing users to easily incorporate it into web applications, mobile platforms, or CRM systems. It also helps automate mass verification processes, facilitating contact management in marketing campaigns, transactional notifications, and customer support.
In addition to basic validation, the service can return additional information about the status of the number, helping companies to better segment and prioritize their contacts. By filtering out invalid numbers before they enter mailing lists, resources are optimized and the effectiveness of communication via WhatsApp is increased.
The WhatsApp Contact Validation API is designed to handle high volumes of queries with high response speeds, ensuring a smooth and scalable experience. Its focus on accuracy, efficiency, and simplicity makes it an essential tool for any organization seeking to improve the quality of its contact data and ensure the successful delivery of its messages.
The POST Validation endpoint returns a status indicating whether a WhatsApp number is 'valid' or 'invalid'. The POST Bulk Validation endpoint provides a similar status for each number in the batch, allowing for efficient validation of multiple contacts simultaneously.
The key fields in the response data include the phone number, validation status ('valid' or 'invalid'), and any additional information about the number's status, such as whether it is active on WhatsApp.
The response data is organized in a structured JSON format. Each response includes an array of results for the validated numbers, with each result containing fields for the phone number and its validation status.
The POST Validation endpoint accepts a single phone number as a parameter, while the POST Bulk Validation endpoint accepts an array of phone numbers. Users can customize requests by including multiple numbers in the bulk validation request.
Both endpoints provide information on the validity of WhatsApp numbers. The validation endpoints can also return additional details, such as the number's active status, which helps in segmenting and prioritizing contacts.
Data accuracy is maintained through regular updates and checks against WhatsApp's active user database. The API employs algorithms to ensure that only real, active numbers are validated, minimizing the risk of incorrect data.
Typical use cases include validating user-submitted WhatsApp numbers during registration, ensuring accurate contact lists for marketing campaigns, and automating customer support communications to enhance engagement.
If the validation returns partial or empty results, users should implement error handling to manage invalid numbers. This may include notifying users to check their input or logging invalid entries for further analysis.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes. If the API offers a free trial, you will see a "Free 7-Day Trial" option in its Pricing section. The trial lasts for 7 days and allows up to 50 API requests, enabling you to evaluate the API before subscribing to a paid plan.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
x-zyla-api-calls-monthly-used: Shows the total number of API requests you have used during the current billing period.
x-zyla-api-calls-monthly-remaining: Shows the number of API requests you have remaining for the current billing period.
Yes, you can cancel your subscription at any time. Simply go to the Pricing section of the API you're subscribed to and click the "Unsubscribe" button.
Please note that upgrades, downgrades, and cancellations take effect immediately. Once your subscription is canceled, access to the service will end immediately, regardless of any remaining API calls in your quota.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund