BigCommerce API development

Get a written plan for your BigCommerce API work.

Redefine Innovations links BigCommerce to your ERP, warehouse and other systems through its API. One team does the work.

Peekawhoo: 99.1% inventory accuracy after we linked its store to its shop counter system. See the case study.

Need an app instead? See BigCommerce app development.

An integration developer and operations lead check an order sync log on a monitor in a dark office

Results

Results when BigCommerce data moves on its own

Three real results from our BigCommerce case studies: orders, oversells and stock.

  • Sleek Shop
    92%
    Of orders run on their own, up from about 15%, after we linked orders, suppliers and stock.
  • Sleek Shop
    71%
    Fewer oversells, with stock kept in step on every sales channel.
  • Peekawhoo
    99.1%
    Inventory accuracy after we linked the store to its shop counter system.

Sources: our case studies for Sleek Shop and Peekawhoo.

Get a BigCommerce API plan for your store.

Know what to connect first. No duty to build.

Get my API plan

Short answer

What is BigCommerce API development?

Updated

BigCommerce API development is custom code that links a BigCommerce store to other systems. Redefine Innovations uses the REST and GraphQL APIs, webhooks, middleware and sync jobs to connect stores to ERP, warehouse and marketplace systems. We plan for rate limits and errors, so orders and stock stay right for operations and technical leads.

Without a good link, staff copy orders and stock by hand. Counts drift, and orders wait. A good API link gives each record one home and moves it on time, every time.

We build in a sandbox store first. Queues, retries and alerts keep an order safe if a call fails.

Three ways to talk to BigCommerce

Your plan says which you need

ChoiceBest whenWhat you getWhere it stops
REST Management APIBack office jobs: orders, products, stock, customersSyncs with your ERP, warehouse or marketplacesCalls are rate limited, so big jobs need a queue
GraphQL Storefront APIShopper data for a custom front endFast product, cart and customer viewsIt does not run back office jobs
WebhooksOther systems must know the moment data changesA notice when an order or stock changesThe notice is small; your code fetches the rest

What your API plan covers

  • [1] Systems and data that connect
  • [2] What moves, and how often
  • [3] Webhooks and sync jobs needed
  • [4] Rate limit and error risks

Need a ready connector instead? See BigCommerce integration services, or all our BigCommerce services.

Keep data in sync between your store and every system you run.

Orders reach the warehouse, stock reaches the store, and no one types it twice.

A packer at a warehouse bench as a new order appears on a tablet and a shipping label prints

Four vendors become one team

One team owns every API link

Each role alone leaves gaps, because each vendor sees only one part.

[One team] Developers, ERP engineers and marketers plan, build and watch your API links, with one ownerNo hand-off between vendors

Watch one order sync.

Press the button to see an order move from your store to your ERP, with a retry when the API says slow down.

Your store: order sync to the ERP

  1. 1Order placed
  2. 2Webhook received
  3. 3Queued and retried
  4. 4ERP updated

Press Run the sync to watch the order move.

Where BigCommerce API links break

  • A stock clerk counts a bin while her handheld scanner shows two stock counts that do not match

    2 countsFor one item

    Stock errors stop sales

    The store and the ERP show different stock, so orders fail or oversell. Fix it with BigCommerce ERP integration.

  • A support agent waits on an order page stuck on an amber status

    0 listenersFor the webhook

    Silent webhooks

    A webhook fires, but no system is listening, so the next step never runs. Fix it with BigCommerce integration services.

  • A developer watches a data sync stop halfway with a warning on her monitor

    429 errorToo many calls

    Rate limits stop syncs

    A big sync job hits the API rate limit and stops halfway. Fix it with BigCommerce development.

  • A shopper on her sofa looks at a product page still loading on her phone

    1 queryCan load a page

    Storefronts short on data

    A custom front end asks for data one piece at a time, so pages load slow. Fix it with BigCommerce headless development.

Ready-made apps do not fit? See BigCommerce app development.

Revenue potential

Estimate the revenue that clean data flows can win back

Wrong stock and late orders cost sales. Set your own numbers to see the size of the gap.

Your numbers

Monthly

35,000
1.4%
$190
1.9%

Monthly revenue

Your estimate

Current
$93K
Potential
$126K

Estimated monthly revenue gap

$33Kper month

$399K a year from the same traffic.

Get my API plan

Results use your inputs and are only an estimate.

Estimate: visitors x (rate after fixes minus current rate) x average order value. Not a promise.

An engineering mindset for ecommerce growth

We run growth the way engineers run software.

Redefine Innovations is an engineering company that does marketing. Developers, ERP engineers and marketers work on one team, so a fix reaches the store's code, not just the ad account.

Typical agency habit

How most agencies work

  • Changes ship on opinion

    A change goes live because someone liked it. No one checks if it worked.

  • Fixes stop at the ad account

    Ads get tuned while the sync job, the webhook and the ERP data stay broken.

    [!] The data stays broken

  • Done when sent

    Work counts as done once it ships, and problems wait for the monthly report.

Engineering habit

How Redefine works

  • Every API change is a test

    Each change ships with a test and a success number.

  • Developers fix the source

    The sync job, the webhook or the ERP data gets fixed in code, not worked around.

    Fixed at the source

  • Every link has a done when line

    Done when orders match in both systems. Alerts fire the week sync errors drift, with a planned response and one owner.

A developer, an ERP engineer and a marketer map a data flow on a whiteboard
Done when orders and stock match in both systems.

BigCommerce proof

One stock count for the shop and the site. Linked through the BigCommerce API.

Peekawhoo

BigCommerce store and POS link

Peekawhoo sells personalized kids gifts on its BigCommerce store and in its own shop.

The challenge

Online and in-store sales had to stay in step, with no separate stock or customer records.

The solution

We linked the store to the shop counter system. Both write to one engine, so stock and customers sync live and reports run on a schedule.

Peekawhoo / BigCommerce

Case study

Inventory accuracy
99.1%
Lower operating costs
26%

What moves where

StockSynced liveCustomersSynced liveReportsOn a schedule
Source: Peekawhoo case study. The work also included a custom theme and a monogram tool.

How Redefine works

TheREDEFINEMethod

Streamline your BigCommerce API integration, one step at a time.

Order and stock syncs come first. We would not start by wiring every webhook while orders still need retyping.

Get my API plan

A written plan, with no duty to build.

Why this approach matters

  • Less setup work and fewer moving parts.
  • Effort goes to the links that matter most.
  • Data flows you can rely on every day.
  1. Start here

    Step 1: Diagnose

    We read your API logs and current setup, and note where data breaks between BigCommerce and your other systems.

    You receive A map of your current setup

  2. Choose what matters

    Step 2: Prioritize

    We rank the links by business impact. Order and inventory sync come before extra webhooks.

    You receive A ranked list of what to build

  3. Do the work

    Step 3: Deliver

    We build in a sandbox store first, with queues, retries and error handling planned around rate limits.

    You receive Working, tested API links

  4. Check the result

    Step 4: Prove

    We compare orders and stock in both systems to confirm the data matches before and after go-live.

    You receive A report that orders and stock match

  5. Keep improving

    Step 5: Improve

    We watch alerts and tune sync jobs as order volume grows.

    You receive Regular tuning as volume grows

What you receive

A written plan: systems and data that connect, how often data moves, webhooks and sync jobs, risks, and what to build first.

Your BigCommerce API Plan

See how your data will move before we build.

Open an item to see what your written plan holds.

Data map and sync schedule

What connects, which way, and how often.

Each record gets one home. The plan shows which system owns it and when it moves.

3 parts

  • Systems and data that connect

    Store, ERP, warehouse and marketplace, record by record.

  • Data movement and timing

    Which data moves live and which runs on a schedule.

  • Webhooks and sync jobs

    Each webhook and job your store needs, and what it does.

Risks and priorities

Where a link can fail, and what to build first.

Rate limits and errors get a plan before any code. Order and stock links come first.

2 parts

  • Rate limit and error risks

    Queues, retries and alerts for each link.

  • Build first, build later

    What to build now, what can wait, and the rough effort.

A printed BigCommerce API plan prepared for your store, on a desk with a pen and coffee

Plan item 01

Status: your call

Queue order events between BigCommerce and your ERP

Context
At busy times, calls hit the rate limit and orders wait.
Decision
A webhook adds each order to a queue; the ERP takes them at its own pace.
Options rejected
Direct calls with no queue. A nightly file upload.
Consequences
Orders reach the ERP in order, even at peak.
Every choice written downPreview of your plan
Get my API plan

We walk you through the plan on a call. Then you decide if you build with Redefine.

How much does BigCommerce API development cost?

The cost depends on how many systems connect, how much data moves and how complex the rules are.

Your written API plan shows the scope and the rough effort before you decide.

How long does a BigCommerce API project take?

It depends on your systems and the number of links. Testing in a sandbox store is part of the timeline.

Your plan shows the phases and the order they run in.

Will the work put live orders at risk, and how do you handle the BigCommerce API rate limit?

We test in a sandbox store first. Queues and retries handle the rate limit, and logs and alerts flag errors fast.

Live orders keep flowing while we build. See BigCommerce support and maintenance

Should we use an app or custom BigCommerce API code?

Apps are quick to set up but can be hard to bend to your rules. Custom code fits your rules exactly.

Your plan says which fits each job. See BigCommerce app development

Who works on our BigCommerce API project?

Developers, ERP engineers and marketers at Redefine, working as one team. They handle code, error handling and testing.

You talk to the people who build and run your links. Hire a BigCommerce developer

What happens after the connection goes live?

We watch performance, look after webhooks and fix issues with logging and alerts.

You also get ideas to improve as your store grows.

What is the REDEFINE Method?

The REDEFINE Method is Redefine Innovations' business-first framework for identifying business constraints, prioritizing improvements, delivering appropriate solutions, verifying outcomes, and sustaining improvements.

It has five stages: Diagnose, Prioritize, Deliver, Prove and Improve. Read the REDEFINE Method

Start here

Get your BigCommerce API plan

Connect your store and your other systems with custom API work. See what to build first. No duty to build.

A store owner on a video call with a Redefine engineer, a shared plan beside him on her laptop
  • A written plan you keep
  • Data map and sync schedule
  • 25+ years in ecommerce
  • 550+ projects delivered

Get My API Plan

Tell us about your store and the systems it must talk to. We will confirm by email and start your API plan.

  1. 1Send your store details
  2. 2We review your current setup and needs
  3. 3You receive your written API plan
  4. 4We talk it through and you decide next steps

Get on a call with us to see how we can help you

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