liminal design

API & system integration

Connect your business tools and keep data in sync

Give information a reliable path between the tools your team uses. We assess access, define data rules and build feasible connections with validation and error handling.

When tools work in isolation

An update should reach the people who need it.

System integration services address practical problems: manually copied contacts, orders that do not reach operations, reports assembled from exports and conflicting records across teams.

We start by defining the source of each piece of information, who can change it and what the receiving system needs. Connecting applications without those rules can spread inconsistent data.

For a broader sequence involving handoffs, owners and approvals, explore workflow automation. This service focuses on the connections and data exchanged between applications.

Connections to assess

Put information where it is used.

01

Forms and CRM

CRM integration services can route an inquiry into a sales record, using validated fields and rules to recognize existing contacts.

02

Orders and operations

Share orders or job statuses according to the identifiers and actions each system supports.

03

Sales and reporting

Bring data together for review or reporting, with update timestamps and consistency checks.

04

Internal systems and portals

Expose approved information to external users with defined fields and permissions. Building a portal that does not yet exist requires a separate development scope.

These are possible connections to evaluate. API integration services depend on the documentation, access and restrictions of the tools involved.

Direction and timing

Different data needs different rules.

One-way or two-way updates

We can assess record creation, status changes and other available data operations. Every field needs a source and destination rule. Two-way synchronization also needs a decision about conflicting changes.

Event-driven or scheduled

A system notification may trigger a connection as a change occurs, where that mechanism is available. Other integrations check for changes on an agreed schedule. Timing depends on API limits, volume and operating needs; immediate synchronization is not assumed.

Before confirming the work

Real access, capabilities and limits.

  • Available, authorized APIs, webhooks, exports or other supported mechanisms.
  • Permissions, subscription tier and authentication options.
  • Fields, identifiers, data volumes and usage limits.
  • A test environment and sample cases to validate outcomes.
  • Vendor terms and ownership of access credentials.

An available API does not mean every action is supported. If a feature is not exposed or permission is unavailable, we assess alternatives before including it in a proposal.

Make failures visible and recoverable

We define validation, duplicate detection, outcome records and handling of rejected data. Retries need limits and safeguards against repeated actions. We also agree on how to identify and review records that could not be processed.

From assessment to handover

Test the connection and its failure paths.

  1. Assess

    Review the tools, access and information that needs to move. Confirm which operations are available.

  2. Specify

    Agree on field mapping, direction, timing, conflicts, permissions and acceptance criteria.

  3. Build and validate

    Test valid and incomplete data, duplicates, connection failures and recovery against representative cases.

  4. Hand over

    Document the connection, dependencies and how to check its status. Define ownership, activation and ongoing maintenance.

Scope and continuity

Common questions.

Can you connect any application?

Feasibility depends on available APIs, permissions and supported mechanisms. Each tool needs reviewing before we confirm a connection.

What if there is no API?

We can assess imports, exports or other vendor-supported options. If there is no suitable mechanism, we explain the limitation rather than assume a connection is possible.

How do you handle duplicates?

We define identifiers and rules for creating versus updating a record. We test retries and cases where matches are uncertain.

What happens when a vendor changes its API?

The integration may need updating. The proposal defines dependencies and maintenance, including who receives notices and keeps access current.

What determines cost and timing?

The number of tools and operations, data complexity, volume and testing needs shape the scope. Vendor fees, hosting and licenses are identified separately.

Can you build a missing part of the system?

When the need goes beyond a connection, we can assess custom software under its own scope. If spreadsheets currently bring everything together, explore alternatives to spreadsheet-heavy operations.

The next step

Which tools need to talk to each other?

Tell us what you use, which data gets entered twice and when it should update.

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The next step

Let’s start with your idea.

We’ll use your details to respond to your inquiry. You can also email hello@designliminal.com.