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English
$
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I will integrate rest API, payment API, CRM API, ai agents and webhooks
Umer Sharif
5.0
5.0
Gig Summary
About this gig
Are you looking for a professional API Integration expert?
I, Umer Sharif, a Fintech Solutions Architect and API Integration Specialist with 15+ years of experience and 1,000+ API integrations.
I can integrate REST APIs, Payment APIs, CRM APIs, AI Agents, Webhooks, and third-party platforms with your website, application, CRM, or database.
Services I offer:
- REST, SOAP, XML & JSON API Integration
- Payment API Integration Stripe, NMI, North & others
- CRM API Integration HubSpot, GoHighLevel, Zoho, Salesforce
- AI Agent & OpenAI API Integration
- Webhooks & API Automation
- API-to-API Data Synchronization
- API & Database Integration
- Cron Jobs & Scheduled Automation
- Leads, Customers, Orders & Transaction APIs
- E-commerce & Shipping APIs
- API Troubleshooting & Error Fixing
- Custom API Development & Data Automation
What you get:
- Secure & scalable integration
- Authentication & data mapping
- Webhooks & error handling
- Testing and validation
- Clean, reliable code
- Documentation when required
Why choose me?
- 15+ years experience
- 1,000+ integrations
- Fintech & payment specialist
- CRM & AI automation experience
Have an API not listed here? Send me the API documentation and requirements.
Get to know Umer Sharif
Umer Sharif
Fullstack, API Integration Specialist , Fintech Solutions, AI Automation
- FromPakistan
- Member sinceFeb 2018
- Last delivery7 months
Languages
English
Hi, I’m Umer Sharif, a Fintech Solutions Architect & API Integration Specialist with 15+ years of experience and 1,000+ successful projects.
I specialize in Payment APIs, REST APIs, AI Agents, n8n, Make, Zapier, CRM integrations, webhooks, custom software, and business automation.
Experienced with Stripe, NMI, North, HubSpot, GoHighLevel, Zoho, OpenAI, Twilio, SendGrid, AWS and more. I connect systems, automate workflows, integrate payments, and build scalable AI solutions.
I will solve your business challenges with smart automation, APIs, payments, and AI solutions.
My Portfolio
Other Software Development Services I Offer
FAQ
What Information need to integrate API
Please share the documentation of your API provider & discuss with me
Reviews
181 reviews for this Gig
| (172) | ||
| (8) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
R rakis7687
United States
Ongoing collaborationthank you Umer, great working with you again!
$200-$400
Price
4 days
Duration
Helpful?G gcollie84
Bahamas
Ongoing collaborationGot the job done as usual! Thanks Umer
$200-$400
Price
4 weeks
Duration
Helpful?W westlakemediaad
United States
Great communication and was very patient with waiting for additional details from our client.
$200-$400
Price
8 weeks
Duration
Helpful?M 
mundozone
Spain
Order Canceled
Very bad experience. If you don't want to waste time and money, I recommend not hiring this freelancer. It's not professional at all. I wasted a lot of time with him and in the end he canceled the order. I do not recommend it under any circumstances
$400-$600
Price
2 weeks
Duration
U Seller's Response
Helpful?D dimitri_harinck
Netherlands
Ongoing collaborationAlles was goed, als er iets aangepast moest worden deed hij dat gelijk.
$400-$600
Price
3 weeks
Duration
Helpful?
Reviews
181 reviews for this Gig
| (172) | ||
| (8) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
R rakis7687
United States
Ongoing collaborationthank you Umer, great working with you again!
$200-$400
Price
4 days
Duration
Helpful?G gcollie84
Bahamas
Ongoing collaborationGot the job done as usual! Thanks Umer
$200-$400
Price
4 weeks
Duration
Helpful?W westlakemediaad
United States
Great communication and was very patient with waiting for additional details from our client.
$200-$400
Price
8 weeks
Duration
Helpful?M mundozone
Spain
Order Canceled
Very bad experience. If you don't want to waste time and money, I recommend not hiring this freelancer. It's not professional at all. I wasted a lot of time with him and in the end he canceled the order. I do not recommend it under any circumstances
$400-$600
Price
2 weeks
Duration
U Seller's Response
Helpful?D dimitri_harinck
Netherlands
Ongoing collaborationAlles was goed, als er iets aangepast moest worden deed hij dat gelijk.
$400-$600
Price
3 weeks
Duration
Helpful?
