Connect your apps via API in the US
When there's no ready-made connector, we build one. We develop custom integrations using APIs and webhooks so your cloud apps, in-house systems, and third-party services exchange information securely and reliably. Ideal when no-code tools fall short.
Updated:
- Custom connectors
- Secure and monitored
- When there's no ready-made connector
If it has an API, we'll connect it
10 years building for businesses
What API integration includes
Professional development of connections between apps.
Technical analysis
- Review of each API's documentation.
- Authentication, rate limits, and data formats.
- Sync workflow design.
Development
- Connectors in code or in n8n, depending on the case.
- Webhooks for real-time events.
- Data transformation and validation.
Reliability
- Retries and queues when failures occur.
- Log of every sync.
- Monitoring and alerts.
How we build your integrations
We start with the process that takes up the most of your time, automate it, measure the savings, and move on to the next one. No never-ending projects.
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Step 1: Process mapping
We look at how the task is done today, who does it, how long it takes, and which tools it lives in.
You: walk us through the process step by step
You get: a process map and the current time spent -
Step 2: Workflow design
We define triggers, rules, exceptions, and the points where a person steps in.
You: validate the rules and exceptions
You get: a diagram of the automated workflow -
Step 3: Build and testing
We build the workflow with test data and run it alongside the manual process.
You: review the test results
You get: an automation working in testing -
Step 4: Go-live
We activate the workflow, set up error alerts, and train whoever supervises it.
You: appoint an internal owner
You get: a live workflow and an operations guide -
Step 5: Measurement and fine-tuning
We compare time spent and errors before and after, and fine-tune as needed.
You: report special cases to us
You get: a savings report and adjustments
Common API integrations
Connections we're often asked for.
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E-invoicing
Your system sending invoices to your authorized provider.
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Payment gateways
Payments reconciled with orders and invoices.
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Shipping carriers
Automatic shipping labels and status updates.
Generic connector or custom integration
Off-the-shelf connectors work until your use case goes beyond the standard.
Generic connector
- Fields
- Only the most common ones.
- Rules
- Limited.
- Volume
- May have limits or high costs.
- Support
- Depends on the vendor.
Custom integration by PACOWEB
- Fields
- All the ones you need.
- Rules
- Your business logic.
- Volume
- Designed for your volume.
- Support
- Documented, maintainable code.
Have two systems that don't talk to each other? Tell us which ones, and we'll review their APIs.
What’s the best way to connect your tools? Find out in a minute
Four questions to choose between n8n, Make, or a custom API integration.
We recommend
Workflows with n8n
We recommend
Workflows with Make
We recommend
API integration
We recommend
Integrate CRM and ERP
We recommend
Cross-app workflows
Integrations by industry
Where a good integration saves a lot of manual work.
E-commerce
Online store, payment gateway, invoicing, and shipping carrier.
Healthcare
Calendars, patient records, and billing across platforms.
Education
Learning platforms, payments, and CRM.
App integration via API FAQ
Can’t find your question?
Message an advisor and we’ll get back to you during business hours (Bogotá time, UTC-5).
What is an API?
It's an interface that lets two systems communicate and share information automatically and securely.
What happens if one of the apps changes its API?
We monitor the integrations and, with a support plan, make adjustments when the vendor changes something.
Where does the integration run?
On your server, in the cloud, or on an n8n instance, depending on the case.
Is it different from integrating a CRM and ERP?
It's the same principle applied to any app; CRM-ERP integration is one very common specific case.
What else is API integration called?
People also search for it as connecting apps via API, connector development, or webhooks and integrations. It's related to REST APIs, webhooks, Google Workspace, Microsoft 365, and data syncing, topics we review with you when your project calls for them.
Related services
Automations that usually go hand in hand with this one.
Which of these services do you need?
API integrations: these services are related, but they solve different things. Choose based on what you need.
- If you need to connect your mobile or web app to payment gateways, maps, and external services: API integration for apps
- If you need to connect your work tools so data flows on its own: App integration via API (you are here)
- If you need to bring your ERP, CRM, accounting and inventory into a single flow: Enterprise systems integration via API
- If you need to sync your CRM with your ERP without entering data twice: CRM and ERP integration
Get a quote for your API integration
Tell us which apps you want to connect and what information they need to share.
- 1You contact us through the form or on WhatsApp.
- 2We talk about your business and what you need.
- 3You get the proposal in writing, with scope, timeline, and price.
Request your proposal
We reply during business hours (Bogotá time, UTC-5), usually the same day.