What custom software integration services cover
A custom software integration is purpose-built code that moves data between two or more systems that were never designed to talk to each other. Instead of exporting a spreadsheet from your ERP and importing it into your CRM every Monday, an integration does it continuously, correctly, and without anyone remembering to.
Most businesses reach for one when the off-the-shelf connector runs out of road — it syncs the standard fields but not your custom ones, it fires on a schedule when you need it in real time, or it silently drops records and nobody finds out until month-end close. That is the point where a system integration partner earns their keep.
The work usually falls into four buckets: application integration (two business systems kept in sync), data integration (many sources consolidated into one warehouse or reporting layer), API integration (connecting to a vendor, partner, or customer platform over their API), and B2B integration (exchanging orders, invoices, and shipment data with trading partners). We do all four, and most engagements are some mix of them.
Platforms we have built integrations for
A sample of the systems we have connected for clients. If yours has an API — or even just a database and a file drop — it can almost certainly be integrated.
Microsoft
Dynamics 365
Sync accounts, contacts, quotes, and orders between Dynamics 365 and the rest of your stack — including custom tables and fields that prebuilt connectors ignore.
Microsoft
Business Central
Move customers, items, pricing, sales orders, and posted invoices between Business Central and your CRM, storefront, or warehouse system over the BC APIs.
Microsoft
SharePoint
File and document integration — contracts, drawings, and signed paperwork filed automatically against the right record, with metadata that makes them findable later.
Stripe
Payment and subscription integration with webhook handling, so successful charges, refunds, and failed payments land in your ERP without a manual reconciliation step.
Salesforce
Two-way sync between Salesforce and Dynamics 365, Business Central, or a custom application — with clear rules for which system wins when both sides change a record.
HubSpot
Close the loop between marketing and finance: leads and deal stages flow into your ERP, and real revenue flows back so attribution reports use actual numbers.
PayPal
Transaction and settlement data pulled into your accounting system on a schedule you control, matched to orders so the books close without spreadsheet surgery.
Slack
Push the events that matter — a stalled order, a failed sync, an approval waiting three days — into the channel where someone will actually act on them.
Monday
Keep project boards and your system of record in step, so operations and finance are working from the same status instead of two versions of the truth.
When there is no connector, we build the API integration
Most integration work today is API work. Your systems expose REST endpoints, your vendors publish their own, and the job is to make them cooperate reliably — handling authentication, rate limits, pagination, retries, and the inevitable partial failure at 2am.
We build custom API integrations on Azure API Management, Logic Apps, and Azure Functions, with OAuth 2.0 or certificate-based auth, secrets in Key Vault, and structured logging so a failed run is diagnosable instead of mysterious. Where a system has no API at all, we integrate at the database or file-transfer layer and wrap it in one.
We also build APIs in the other direction — exposing your own data to a customer, partner, or mobile app under a contract you control.
Not every integration should be built the same way
Half of getting an integration right is picking the pattern before writing any code. These are the four decisions that shape every engagement — and we make them with you in scoping, not after the invoice.
Real-time or batch?
Real-time sync via webhooks and event triggers costs more to build and more to operate, and it is the right answer when a customer is waiting on the other end. Nightly batch is cheaper, simpler, and completely adequate for accounting exports and reporting feeds. Most businesses need both, in different places.
Prebuilt connector or custom build?
If a supported connector covers your fields and your volume, use it — we will tell you so and decline the work. Custom becomes the honest answer when you have custom entities, non-standard business rules, transformation logic, or a system the connector market has never heard of.
One-way or two-way sync?
One-way is roughly half the work of two-way, because two-way forces you to answer the hard question: when both systems change the same record, which one wins? We settle that with you up front, per field, rather than discovering it in production.
Point-to-point or a hub?
Two systems talking directly is the right call for two systems. Once you are connecting four or five, point-to-point turns into a maintenance problem, and a hub — a single integration layer on Azure that everything talks to — costs less over its life. We size this to where you are actually headed.
How an integration engagement runs
Four steps, with a fixed number before any build starts. You can stop after scoping and take the plan elsewhere — several clients have.
Map the data — 1–2 weeks
We get into both systems and document what actually exists: the fields, the volumes, the edge cases, and the records that are already inconsistent between them. This is where integrations succeed or fail, and it is the step most vendors skip.
Design and fix the price
You get a written integration design — pattern, field mapping, sync direction, error handling, and what happens when a record conflicts — plus a fixed price to build it. No hourly billing, no discovery invoices.
Build and prove it
We build in your sandbox, run your real data through it, and reconcile both sides record by record before anything touches production. You see it working on your own data before you sign off.
Deploy and monitor
Go-live with alerting, retry logic, and a dashboard showing what synced and what did not. An integration nobody is watching is an outage waiting to happen, so monitoring ships with the build rather than as an upsell.
What integrations cost and how long they take
Nobody else on this search results page will tell you a number, so here are ours. Every build is quoted as a fixed price. These are the floors most of our integration work starts from; your field count, data quality, and system count decide where you land above them.
One feed, one direction
$5,000 fixed · live in 2–4 weeks
A single feed between two systems — orders into your ERP, transactions into accounting, leads into your CRM. Standard fields, clear ownership, scheduled or event-driven, with monitoring and retries included. One price, no scoping fee, and the fastest way to find out what working with us is like.
Two-way sync
From $15,000 · 5–8 weeks
Two systems kept in step in both directions, with conflict rules, custom fields, and transformation logic. The most common engagement we run, and the one where per-field ownership rules earn their cost. Fixed price set in scoping.
Multi-system hub
From $40,000 · 10+ weeks
A central integration layer on Azure connecting four or more systems, built in phases so the first connection is live and paying for itself long before the last one starts. Priced per phase, not as one number you have to swallow at once.
Getting to a number is free, then $1,500, then fixed.
- Integration triage · free · 30 minutes. A senior engineer looks at the two systems with you and tells you whether this is a connector, a starter feed, a custom build, or not worth doing. If a prebuilt connector covers it, you leave with its name. If it is a starter, you leave with a start date.
- Integration scoping · $1,500 fixed · 1–2 weeks. For two-way and hub work: the data map, the field-by-field design, sync direction, conflict rules, error handling, and a fixed price to build it. The document is yours whether or not we do the build — several clients have taken it elsewhere. If you build with us, the full $1,500 comes off the price.
- The build · fixed price from the scoping document. You approve a number, not an hourly rate, invoiced on milestones you can see working in your sandbox.
Ongoing monitoring and support is a separate monthly arrangement from $500 a month that you can start or stop as you need. Azure consumption for the integration itself is billed to your subscription at your rates and typically runs modest at mid-market volumes; we size it with you in scoping rather than leaving it as a surprise.
Integration work we have delivered
Client names withheld, but these are real engagements. Every one started as manual re-keying somebody had quietly accepted as the cost of doing business.
A two-week billing cycle now runs in a few days
Billing data was being assembled by hand across systems every cycle. We integrated the sources and automated the assembly, turning a fortnight of manual work into a process that finishes in days — with the same people, doing better work.
Sales and finance stopped keeping two sets of customers
A distributor was maintaining customer and pricing records separately in its ERP and its CRM, with predictable drift. A two-way sync with per-field ownership rules ended the double entry and the arguments about whose number was right.
Orders arrive from a partner platform on their own
Orders were arriving from a trading partner as files somebody downloaded and re-typed. We built an API integration on Azure with retries and alerting, so orders land in the ERP directly and exceptions get flagged instead of missed.
A Houston-area integration partner you can actually meet
Craftware Technologies is based in Sugar Land, Texas, and we work with businesses throughout Fort Bend County and Greater Houston — Sugar Land, Missouri City, Katy, Richmond, Stafford, and into Houston itself. Integration work is a conversation about how your business really operates, and being in the same time zone as your operations team matters more than most vendors admit.
Most of the delivery is remote — in your systems, your standups, your sandbox — which keeps the cost sensible. On-site time is available when it helps, and we take integration work nationwide for clients outside Texas.
Integration guides
Custom API integration services
REST, webhooks, and secure auth on Azure API Management and Logic Apps — with honest scope and cost.
Dynamics 365 integration services
Connecting Dynamics 365 and Business Central to the rest of your stack, and where the standard connectors stop.
Integrations in your business ecosystem
Why disconnected systems quietly cost more than the integration would, and how to spot it in your own operation.
Custom software integration services: FAQs
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What are custom software integration services?
Purpose-built software that moves data between systems that were not designed to work together — your ERP and your CRM, your storefront and your accounting package, your systems and a trading partner’s. Unlike a prebuilt connector, a custom integration handles your custom fields, your business rules, and your edge cases.
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How much does a custom integration cost?
A single one-way feed between two systems is a fixed $5,000 and is usually live in two to four weeks, with no scoping fee. Larger work starts with a fixed $1,500 scoping engagement that takes one to two weeks and is credited in full if you build with us; the build is then quoted as a fixed price, not an hourly rate. Two-way syncs start around $15,000 and multi-system hubs around $40,000, priced per phase. Your field count, data quality, and how many systems are involved decide where you land.
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Should we use a prebuilt connector instead?
If one covers your fields and your volume, yes — and we will tell you so rather than sell you a build you do not need. Custom becomes the right answer when you have custom entities, non-standard business rules, transformation logic between the systems, real-time requirements a scheduled connector cannot meet, or a system with no connector on the market.
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Can you integrate a system that has no API?
Usually. Where there is no API we integrate at the database layer, through file transfer, or against whatever export the system does offer, and then wrap that in a proper API so everything downstream has one clean way in. Legacy and on-premise systems are common in this work, not an exception.
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What happens when an integration fails at 2am?
Every integration we build ships with retry logic, alerting, and structured logging, plus a view of what synced and what did not. Failures are inevitable — an API goes down, a record arrives malformed — so the design assumption is that they will happen and be recoverable, not that they will not.
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Do you work with Dynamics 365 and Business Central specifically?
Yes — it is the core of what we do. We are a Microsoft Partner and most of our integration work has Dynamics 365, Business Central, or Azure on at least one end of it, including customizations and extensions to make the fit right.
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Do you work with businesses outside Houston?
Yes. We are based in Sugar Land and work throughout Fort Bend County and Greater Houston, with on-site time available locally. Delivery is mostly remote, so we take integration work nationwide.
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Who owns the integration when it is finished?
You do — the code, the Azure resources, and the documentation. It runs in your subscription, not ours. Ongoing monitoring and support is available monthly if you want it, but it is a choice rather than a dependency we build in.