API Development

ColorWhistle is a custom API development services and integration solutions. From simple API integration services to complex or multiple end-points custom API development, we can create a solution that is easy to consume, well documented, and truly dependable.

We have a professional team of API developers in India who can construct web APIs that are completely scalable, secure, and match your business requirements. Our custom API development services will enrich and enhance your services in new and creative ways.

  • White Label Partnerships
  • Startup Business Partnerships

API Development and Integration Services

Our API integration and development team have vast knowledge in the technologies behind API, and also master the end-to-end process (managing, monitoring, and monetizing). We are also experienced in developing custom APIs, open-source APIs, WordPress REST API, and third-party APIs.

As a highly acclaimed API development company, we have supported clients in the USA, UK, Canada, Singapore, and more by strategizing, managing, and running high-performance API programs to meet their business goals.

API Integration and Development Services India - ColorWhistle
WordPress Developer | WooCommerce | WP Plugin developer Capabilities - ColorWhistle

Our API Services Will Simplify your Systems and Reduce your Operating and Maintenance costs

Basically, APIs are fundamentally changing how data can be used. This concept is opening up new business models and strategies for products. Our API development company has recognized this shift and the importance of APIs.

Over the past years, we’ve improved our capabilities in this area to become one of the leading experts in custom API development and integration.

ColorWhistle’s professional developers can integrate the API according to your requirement to enrich and enhance the services you offer to your end customers.

Get in touch with our custom API developers to find out how our custom API development services can help you overcome tech-related problems.

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Payment Gateway API Integration

We offer payment gateway integration service using the famous gateways such as PayPal, Stripe, Authorize.net, Google Checkout, PayU, BillDesk, and CCAvenue.

Example of Payment Gateway API Integration Combinations

  • Stripe + Wave
  • Stripe + Mailchimp
  • Stripe + Slack
  • Stripe + Email by Zapier
  • PayPal + Mailchimp
  • PayPal + Slack
  • PayPal + Salesforce
Payment Gateway API Integration - ColorWhistle

Sales API Integration

Integrate sales API into your custom software to manage your CRM. Some common integrations that we do are HubSpot, Salesforce, Marketo, Constant Contact, and more.

Example of Sales API Integration Combinations

  • Facebook lead ads + HubSpot
  • Pipedrive + Slack
  • Facebook lead ads + Salesforce
Payment Gateway API Integration - ColorWhistle

Social Media API Integration

We offer Social Media API integration services for Facebook, Twitter, LinkedIn, Google+, Instagram, Pinterest, YouTube, Vimeo, Bebo, and much more to help you reach a large amount of audience.

Example of Social Media API Integration Combinations

  • Instagram + Facebook Pages
  • Facebook Pages + LinkedIn
  • Facebook Pages + Slack
  • Twitter + SMS by Zapier
  • LinkedIn Lead Gen Forms + Salesforce
  • LinkedIn Lead Gen Forms + HubSpot
Payment Gateway API Integration - ColorWhistle

Travel API Integration

Our professional API developers can work with channel management software and GDS/API/XML integration for flights, hotels, cruise, navigation, weather, and more.

Example of Travel API Integration Combinations

  • Website + TripAdvisor content
  • Website + Public transportation
  • Website + Travel management and planning
Payment Gateway API Integration - ColorWhistle

Marketing API Integration

We integrate marketing APIs such as LinkedIn Marketing Developer, Google Adwords, Clearbit, FullContact, MailChimp, Hootsuite, other social login gateways, and more to manage your audience and find new customers.

Example of Marketing API Integration Combinations

  • Delighted + Slack
  • Delighted + Prodsight
  • Typeform responses + Google Sheets
Payment Gateway API Integration - ColorWhistle

Marketplace API Integration

Our API developers in India can help you find the right API marketplaces like Zapier, Integratedly, MuleSoft’s Anypoint, or Integromat and seamlessly integrate your software into them.

Example of Marketplace API Integration Combinations

  • Facebook Marketplace + Hubspot
  • Bigcommerce + HubSpot
Payment Gateway API Integration - ColorWhistle

Healthcare API Integration

We offer API integration services for patient registration, scheduling, finances & billing, insurance, clinical, ancillary, public health, and IOT while supporting healthcare information standards such as HL7, FHIR, HL7v2, HL7v3, and MLLP.

Example of Healthcare API Integration Combinations

  • Mail Chimp + Acuity Scheduling
  • Acuity Scheduling + Google Calendar
  • Acuity Scheduling + WordPress
Payment Gateway API Integration - ColorWhistle

Communication API Integration

We can integrate communication APIs for SMS (Two-Way SMS API, SIP Trunking Number Discovery) and e-mail (SendGrid, ZeroBounce, etc) to attract, convert, and retain customers.

Example of Communication API Integration Combinations

  • Google Sheets + SendGrid
  • Gravity Forms + SendGrid
  • Facebook Lead Ads + SendGrid
  • Mailchimp + SendGrid
  • ClickFunnels + Mailchimp
  • Google Forms + Mailchimp
  • Wave + Mailchimp
Payment Gateway API Integration - ColorWhistle

GraphQL API Development and Integration

With GraphQL (data query and manipulation language for APIs), we can improve your application’s performance and scalability and provide the requested data.

Payment Gateway API Integration - ColorWhistle

Education API Integration

Our API developers can create a great learning environment for students by integrating APIs such as communication, collaboration, whiteboard, virtual classroom, and content sharing.

Example of Education API Integration Combinations

  • Teachable + Active Campaign
  • Teachable + Custom reminders
  • Teachable + Convertkit
Payment Gateway API Integration - ColorWhistle

CMS API Integration

Our company offers secure CMS platform integration via API connectors. We connect to WordPress, Joomla, Drupal, HubSpot, Kentico, Magento, Sitecore, Contentful, Sitecore, Typo3, and more.

Example of CMS API Integration Combinations

  • PlanSo Forms for WordPress + Google Sheets
  • PlanSo Forms for WordPress + HubSpot
  • WordPress + Facebook Pages
  • WordPress + LinkedIn
  • WordPress + Slack
  • HubSpot + Wave
  • Google Contacts + HubSpot
Payment Gateway API Integration - ColorWhistle

E-commerce API Integration

Our team can integrate e-commerce APIs such as security, price comparison, shipping, site search, payment handling, and store API integration that are aimed at enhancing the customer shopping experience.

Example of E-commerce API Integration Combinations

  • Amazon Seller Central + Salesforce
  • Dropbox + Amazon S3
  • WooCommerce + Xero
Payment Gateway API Integration - ColorWhistle

Google API Integration

We offer API integration services for the most popular Google APIs such as maps, chart, checkout, translate, search, Webmaster tools, analytics, AdWords, and YouTube.

Example of Google API Integration Combinations

  • YouTube + Discord
  • YouTube + Slack
  • Dropbox + YouTube
  • Stripe + Google Analytics
Payment Gateway API Integration - ColorWhistle

Accounting API Integration

Our API developers can integrate with the leading accounting solutions, like QuickBooks, Xero, MYOB, Freshdesk, Sage, Fortnox, and more.

Example of Accounting API Integration Combinations

  • Freshdesk + Slack
  • Freshdesk + Trello
  • Freshdesk + Asana
  • Stripe + Xero
  • Xero + Digest by
  • Zapier + Slack
Payment Gateway API Integration - ColorWhistle

Real Estate API Integration

We provide top API integration for real estate professionals to get access to MLS and IDX data from providers such as Zillow, Rets.ly, SimplyRETS, Data.gov, Walk Score, DataNerds Property, Yelp Fusion, Rets Rabbit, and more.

Example of Real Estate API Integration Combinations

  • Zillow + WordPress
  • Mailchimp + Zillow
  • IDX, MLS + WordPress
Payment Gateway API Integration - ColorWhistle
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Industries that can Benefit from Our API Development Services

Our API development team at ColorWhistle are experts in developing innovative solutions for clients in a vast variety of industries and verticals. We are dedicated to helping businesses in the travel, hotel & restaurant, education, healthcare, and real estate industries gain more leads, conversions, and loyal customers.

Professional Creative Graphic Design Services for Industries

Our Custom API Development Service Offerings

API Integration & Development Services

We are experts in custom API development services and integration solutions. Our team can extend the functionality of your application via new and existing third-party systems.

Source Code Repository Integration

Our developers will work with you to find the best source code repository integration solution like GitHub, TFS, GitLab, and Bitbucket

API as a Service

The API developers in our company can build web APIs and API as a Service (APIaaS) through web protocols like HTTP/HTTPS, XML, JSON, REST, and SOAP

API Development Platform

We create APIs for desktop, mobile, cloud apps, web sockets, Service-Oriented Architectures (SOA), and databases

Marketing Software API Integration Services

Through our CRM and marketing software API integration services, we will help you share data between your systems and streamline your business processes with no trouble.

Custom Web API Solutions

ColorWhistle is a pioneer API development company that offers quality custom API solutions. We use best development tools to build high-performance APIs for your needs.

Speed?< 3 Sec

Responsive?Yes

Multi Browser?Yes

Building Cost Effective API Services to Scale and Provide Less Price Solutions to Customers

Basically, APIs are fundamentally changing how data can be used. This concept is opening up new business models and strategies for products. Our API development company has recognized this shift and the importance of APIs.

Over the past years, we’ve improved our capabilities in this area to become one of the leading experts in custom API development and integration.

ColorWhistle’s professional developers will integrate the API according to your requirement to enrich and enhance the services you offer in a new and creative way.

Get in touch with our custom API developers to find out how our custom API development services can help you overcome tech-related problems

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Business Benefits of Using Custom APIs

  • Allows siloed apps like CRMs, ERPs, communication, and marketing automation platforms to communicate with each other to enhance the personalization that an organization requires
  • Third-party API Integration offers real-time functionality without the need to write complex codes (especially for e-commerce, travel, finance and other industries)
  • Workflows can be strategically orchestrated to optimize productivity
  • Reduce cost and improve time to market
  • Personalize and customize the customer experience
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Professional API Integration Partner for B2B Outsourcing & White label Company Services

ColorWhistle will work behind the scenes and make you look great in front of your clients. You take all the credits. Our API developers will make sure all our API integration and development services will extend the usefulness and functionality of your web service.

As a general rule, we will never contact your customers directly. But in the event of such a situation, we are on your team.

All of our B2B services are designed to off-load the API development and integration needs of any agency.

We are happy to work under your branding to take care of your customers.

Let us integrate APIs for your clients on time and on budget!

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Our Location-based / Localized API Development Services

We have worked with API developement clients from different locations like US, UK, Canada, etc, therefore we have a clear picture of what type of services the audience belonging to these regions will expect in a API developement services.
If you have ideas to provide the exact services that your customers expect, then feel free to partner with our web designers, developers, and digital marketers at ColorWhistle.

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Frequently Asked Questions about Our API Integration Services

As an experienced team of API developers, we will assure you the fastest turnaround time. But, before we give you an accurate timeframe for your API development, we need to look at your requirements.

Yes, we provide custom website development services. We will also customize themes according to your needs.

Yes, we can exclusively customize the APIs according to your specific needs.

Our API development services starts from $200 and it can increase based on your needs.

Let us talk about your project

Knowing the exact services you are looking for helps us to understand and give suggestions and technology if necessary. @ColorWhistle, we strive hard to be accurate in our quote.

Please enter the details with all that you know about the project (More the details, speeder the process :)) in the ‘message’ section.



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    All reasons why ColorWhistle is a wise option

    • We first understand our client's expectations and ensure to meet their objectives
    • We're loyal and do maintain transparency throughout the process
    • We're specialized in offering quality services with uniqueness and on-time delivery
    • We work with 100% commitment towards our clients' satisfaction
    • We always consider our clients to be our main priority
    • We don't slide from showing our utmost professional empathy to our clients
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