The PresentID Face Verification API is designed to confirm whether two facial images belong to the same individual. This is particularly useful for identity verification processes, such as confirming the match between a person and their photo ID in security checks and registration processes.

To use the API, submit two images via a POST request—one of a person's face and another from a photo ID. The API compares several facial features and structures between the two images, using advanced algorithms to analyze and determine the likelihood that the faces are the same. It then provides a similarity score or a binary result indicating a match or non-match.

The API supports several popular image formats, including JPEG, PNG, and BMP. Ensure that both images are of high quality and that the faces are clearly visible without obstructions for optimal results.

Yes, the API has usage limitations that depend on the user's subscription plan. These may include restrictions on the image file size and the number of verification requests per day or month. Detailed limitations are available on our pricing page or within your user dashboard.

Users might face several common errors: 400 Bad Request: This error can occur if the images are too large, of poor quality, or in an incorrect format. Check to ensure your images meet the API specifications. 401 Unauthorized: Occurs if the API key is missing, invalid, or expired. Verify that your API key is correctly applied to your requests. 429 Too Many Requests: Indicates exceeding the API usage limits according to your subscription plan. Consider adjusting your usage or upgrading your plan.

The API returns a JSON response containing the verification result, including a similarity percentage, a result message indicating whether the faces match, and image specifications detailing the coordinates of detected faces.

Key fields in the response include `resultIndex`, `resultMessage`, `similarPercent`, and `imageSpecs`. These provide insights into the verification outcome and the characteristics of the analyzed images.

The response data is structured in a JSON format with a top-level object containing `statusCode`, `statusMessage`, `hasError`, and a `data` object that includes the verification results and image specifications.

The endpoint accepts a single parameter: an image URL. Users must ensure the image meets size and dimension restrictions (not exceeding 8 MB and between 50 to 5000 pixels).

Data accuracy is maintained through a deep convolutional neural network trained on a diverse dataset, including various races and conditions. The model's performance is validated against benchmarks like the LFW dataset, achieving 99.76% accuracy.

Typical use cases include identity verification for access control, onboarding processes, fintech applications, car sharing, healthcare, and customer support, where confirming a person's identity is crucial.

Users can utilize the returned data by interpreting the `similarPercent` to gauge the likelihood of a match and using the `resultMessage` to determine the verification outcome, which aids in decision-making processes.

Quality checks include ensuring images are within specified size limits and dimensions, as well as verifying that faces are clearly visible. The API's advanced algorithms also enhance matching accuracy under various conditions.

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.

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Prices are determined by a recurring monthly or yearly subscription, depending on the chosen plan.

API calls are deducted from your plan based on successful requests. Each plan comes with a specific number of calls that you can make per month. Only successful calls, indicated by a Status 200 response, will be counted against your total. This ensures that failed or incomplete requests do not impact your monthly quota.

Zyla API Hub works on a recurring monthly subscription system. Your billing cycle will start the day you purchase one of the paid plans, and it will renew the same day of the next month. So be aware to cancel your subscription beforehand if you want to avoid future charges.

To upgrade your current subscription plan, simply go to the pricing page of the API and select the plan you want to upgrade to. The upgrade will be instant, allowing you to immediately enjoy the features of the new plan. Please note that any remaining calls from your previous plan will not be carried over to the new plan, so be aware of this when upgrading. You will be charged the full amount of the new plan.

To check how many API calls you have left for the current month, refer to the ‘X-Zyla-API-Calls-Monthly-Remaining’ field in the response header. For example, if your plan allows 1,000 requests per month and you've used 100, this field in the response header will indicate 900 remaining calls.

To see the maximum number of API requests your plan allows, check the ‘X-Zyla-RateLimit-Limit’ response header. For instance, if your plan includes 1,000 requests per month, this header will display 1,000.

The ‘X-Zyla-RateLimit-Reset’ header shows the number of seconds until your rate limit resets. This tells you when your request count will start fresh. For example, if it displays 3,600, it means 3,600 seconds are left until the limit resets.

Yes, you can cancel your plan anytime by going to your account and selecting the cancellation option on the Billing page. Please note that upgrades, downgrades, and cancellations take effect immediately. Additionally, upon cancellation, you will no longer have access to the service, even if you have remaining calls left in your quota.

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To give you the opportunity to experience our APIs without any commitment, we offer a 7-day free trial that allows you to make up to 50 API calls at no cost. This trial can be used only once, so we recommend applying it to the API that interests you the most. While most of our APIs offer a free trial, some may not. The trial concludes after 7 days or once you've made 50 requests, whichever occurs first. If you reach the 50 request limit during the trial, you will need to "Start Your Paid Plan" to continue making requests. You can find the "Start Your Paid Plan" button in your profile under Subscription -> Choose the API you are subscribed to -> Pricing tab. Alternatively, if you don't cancel your subscription before the 7th day, your free trial will end, and your plan will automatically be billed, granting you access to all the API calls specified in your plan. Please keep this in mind to avoid unwanted charges.

After 7 days, you will be charged the full amount for the plan you were subscribed to during the trial. Therefore, it’s important to cancel before the trial period ends. Refund requests for forgetting to cancel on time are not accepted.

When you subscribe to an API free trial, you can make up to 50 API calls. If you wish to make additional API calls beyond this limit, the API will prompt you to perform an "Start Your Paid Plan." You can find the "Start Your Paid Plan" button in your profile under Subscription -> Choose the API you are subscribed to -> Pricing tab.

Payout Orders are processed between the 20th and the 30th of each month. If you submit your request before the 20th, your payment will be processed within this timeframe.