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System integrations and APIs. No more manual retyping.

We connect the systems your business uses so they pass data to each other on their own. We design and build APIs for your partners and apps. We monitor every integration and fix issues before you notice them.

We always sign an NDA and a DPA

Price estimate in 60 seconds · Proposal within 2 business days · No commitment

0 manualtransfers between systems
24/7monitoring of every integration

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Why custom

Copying data between systems isn't work. It's a risk.

An order gets retyped into accounting, a web lead into the CRM, stock levels into the online store. By hand or through an Excel export. Every transfer takes time, and sooner or later someone makes a mistake.

Manual retyping and exports

  • Data transferBy hand or through an Excel export
  • ErrorsTypos and forgotten records
  • OutagesYou find out when something's missing
  • PartnersYou email them spreadsheets
  • Switching systemsYou start again from scratch

LISTIFY, built for you

  • Data transferAutomatic, within seconds
  • ErrorsData validated on input
  • OutagesAlerts and automatic retries
  • PartnersA documented API with access control
  • Switching systemsWe reconnect the integration to the new system

A to Z

Data map first. Then the connections.

Every integration starts with three questions: where the data comes from, who owns it and what happens when a connection drops.

Analysis and data map

We go through your systems, their APIs and data flows. We decide which system is the source of truth for which data.
System mapData flowsSpecification

API design

We design the interface, permissions and data format. You get the documentation before any coding starts.
RESTWebhooksOpenAPI

Development and testing

We build the connections, data mapping and error handling, then test everything on a copy of your real data.
Node.jsQueuesTests

Monitoring and maintenance

We monitor every integration. When a partner changes their API, we update the connection.
MonitoringLogsSLA

Examples

Every one different. Every one custom-built.

View full portfolio →

Process

Your first integration is live within 5 weeks.

We start with the one that saves the most manual work, then add the rest one at a time.

  1. Which systems you want to connect and what data flows between them.

    Step 1 of 5 · Week 1

    What we do

    • List of systems
    • Data flows
    • Proposal within 2 days

    From you

    A one-hour call

    You get

    fixed-price proposal

Technology

The tools we build integrations on.

Reliable integrations need queues, logs and monitoring. When a connection drops, no data is lost.

  • Node.jsIntegration services
  • TypeScriptData validation
  • REST / GraphQLInterfaces
  • WebhooksReal-time events
  • OpenAPIAPI documentation
  • RedisQueues
  • PostgreSQLLogs and history
  • SentryError reporting
  • DockerDeployment

Price and inquiry

What will it cost? Find out in a minute.

Click through what you need and see a ballpark price and timeline right away. We'll send you an exact proposal within 2 business days.

What are we connecting?

What should we add?

Specification, error handling, logging and documentation are always included.

Guarantees

The risk is on us.

Fixed

Price and deadline in the contract

No surprises on the invoice. If we run late, you pay less.
CZK 0

If you don't like the design

We start coding only after you approve the design. Until then, you can walk away.
180 days

Free fixes after launch

Anything that doesn't work as it should, we fix at no extra cost.
100%

You own the code

Source code, credentials and data. No license fees, no lock-in.

FAQ

Your questions. Straight answers.

Didn't find your question? Call us and get an answer right away.

Data can often be exchanged through exports, email or direct database access. After the analysis, we'll tell you which option is most reliable.

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By email

Retyping data between systems?

On a short call, we'll go through the systems you use and the data you retype between them. Within 2 business days, you'll have a fixed-price proposal.

+420 771 166 199Mon to Fri, 8:30 a.m. to 4:00 p.m. (Prague time) · info@listify.cool

When should we call you?

Pick a day and a time window. We'll call you, and it takes about 15 minutes.

Day