WordPress API integrations that hold up in production.
We connect your WordPress or WooCommerce site to the systems that run your business. HubSpot, Salesforce, NetSuite, Stripe, Mailchimp, Xero and any custom REST, GraphQL or webhook API. Built with proper auth, retries and queues so data flows on time, every time.
Most WordPress sites glue systems together with no-code tools that break the first time an API changes. We write proper PHP integrations that live inside a versioned plugin, handle errors on their own and survive platform updates.
Every integration we ship has structured logging, retry logic, rate-limit handling and a documented data map so your team can see what syncs, when it syncs and what to do if it stops.
OAuth2, JWT, API keys and webhooks done right
Queued jobs with retries, backoff and dead-letter handling
Documented data map and admin dashboard for every sync
A structured process that pins down the data contract, the edge cases and the ownership model before a single request goes out.
01
Integration audit and data map
We review the external API docs, map every field you need to move in or out of WordPress, list the triggers and draft a written spec with expected load, rate limits and failure modes.
02
Auth and plugin scaffolding
A dedicated plugin holds the integration. Credentials sit in options or secrets, OAuth tokens refresh on their own and every endpoint goes through one tested HTTP client with timeouts and retries.
03
Sync, queue and webhook build
Two-way syncs run on Action Scheduler or a proper queue. Webhook endpoints validate signatures, dedupe by request id and write to a job log you can replay.
04
Testing, monitoring and handover
We load test against the real API sandbox, wire up Sentry or your logger, and ship an admin dashboard showing sync status, last success, error counts and a manual retry button.
What's included
Everything needed for a production integration .
Written data map and integration spec before any code
Versioned WordPress plugin that holds the full integration
OAuth2, JWT, HMAC, API key and webhook signature handling
Queued background jobs with retries, backoff and dead-letter log
Rate-limit aware HTTP client with timeouts and circuit breakers
Two-way sync where needed, with conflict resolution rules
Admin dashboard showing sync health, errors and manual retry
Structured logs wired to Sentry, Datadog or your logger
Technical documentation and runbook for your team
30 day post-launch support on the integration
How we compare
Why teams choose us for integrations.
A no-code toolbox breaks. A generalist freelancer gets stuck on auth. Here is how we stack up on the work that keeps data flowing.
WP Pro Devs
Freelancer
Traditional agency
Writes native PHP, not no-code glue
✓
—
—
OAuth2 and token refresh handled
✓
—
✓
Retries, backoff and dead-letter queue
✓
—
—
Admin sync dashboard included
✓
—
—
Code ships in your repo
✓
✓
—
Typical turnaround
1 to 8 weeks
Varies
2 to 6 months
Starting price
$3k
$400
$15k+
Post launch support
30 to 90 days
None
Retainer only
WP Pro DevsRecommended
Writes native PHP, not no-code glue✓
OAuth2 and token refresh handled✓
Retries, backoff and dead-letter queue✓
Admin sync dashboard included✓
Code ships in your repo✓
Typical turnaround1 to 8 weeks
Starting price$3k
Post launch support30 to 90 days
FreelancerCompare
Writes native PHP, not no-code glue—
OAuth2 and token refresh handled—
Retries, backoff and dead-letter queue—
Admin sync dashboard included—
Code ships in your repo✓
Typical turnaroundVaries
Starting price$400
Post launch supportNone
Traditional agencyCompare
Writes native PHP, not no-code glue—
OAuth2 and token refresh handled✓
Retries, backoff and dead-letter queue—
Admin sync dashboard included—
Code ships in your repo—
Typical turnaround2 to 6 months
Starting price$15k+
Post launch supportRetainer only
What clients say
WP Pro Devs' work increased the client's website traffic by 300%. The team provided prompt responses, completed tasks within a week, and demonstrated strong skills and creativity, fostering a trusted relationship with the client.
A
Andrej Spajic
Founder, NetWaver
We love our brand and yes, we're total control freaks. Handing our website to someone on the other side of the world was terrifying. But WP Pro Devs absolute legend, exceeded our sky high standards. Calm, patient, and genuinely invested in the relationship as much as the code.
S
Sean
Founder, Hidden Africa
Working with WP Pro Devs in website development was an exceptional experience. He showcased incredible professionalism and exceeded expectations in every aspect, ensuring a very fast delivery with proactive communication. Highly recommend his supportive and adaptive approach.
J
Joris
Founder, We Move Sports
Great work. Very knowledgeable and easy to collaborate with. I'll definitely entrust him with future projects as well.
C
Ceci
Project Lead, Dongfeng Singapore
WP Pro Devs truly shines in website development with exceptional code expertise and professionalism. His attention to detail and quick responsiveness make collaboration a breeze, and his language fluency ensures clear communication. The team is friendly, insightful, and a powerhouse for delivering high-quality work swiftly.
A
Amanda
Marketing Lead, JMEV
WP Pro Devs did an excellent job on a demanding project. He was patient and made all the necessary changes to ensure everything was perfect. Highly recommend.
m
mikoajtobjasz
Verified Upwork client
I will work with him again in future projects. It's quick and easy. I am very satisfied. I wanted a website without Elementor and he delivered a great website that came in a great time.
g
guidomarsch994
Verified Upwork client
640+
Projects delivered
4.9 / 5
Average rating. 180 reviews
82%
Clients on retainer
Pricing
Fixed quotes, no metered surprises .
Pricing reflects scope, not hours. Pick a tier close to your needs or ask for a custom estimate based on the systems you want to connect.
Starter$3k to $5k
One well-scoped one-way integration. Forms to CRM, WooCommerce to accounting or a single webhook pipeline.
✓One external system connected
✓One-way sync or webhook pipeline
✓OAuth, API key or HMAC auth
✓Basic admin settings page
✓30 day post-launch support
Recommended
Studio$5k to $9k
Two-way sync with a CRM or marketing tool. OAuth, queued jobs, admin dashboard and error reporting included.
✓One or two systems connected
✓Two-way sync with conflict rules
✓Queued jobs with retries and logs
✓Admin dashboard with sync status
✓Error reporting wired to Sentry
✓60 day post-launch support
Scale$9k to $15k
Multi-system integration with ERP, payments and logistics. Complex mapping, queues, retries and monitoring.
✓Three plus systems connected
✓ERP or payment gateway integration
✓Complex field mapping and transforms
✓Background workers and dead-letter queue
✓Runbook and documentation for your team
✓90 day support plus 1 training session
Enterprise$15k+
Enterprise integration platform with dedicated support, SLAs and ongoing iteration across many connected systems.
We do not mark an integration done until it passes our internal checklist. Data must flow, fail loudly when it should, and recover on its own.
✓
Idempotent by design
Every write is keyed so a retried request cannot create duplicates or double-charge a customer.
✓
Secrets never in code
Credentials live in environment variables or a secret store. No tokens in the database without encryption.
✓
Rate-limit aware
Respects Retry-After headers, tracks quota and backs off before upstream systems throttle the site.
✓
Signed webhooks only
Inbound webhooks verify HMAC signatures or JWTs before touching the database. No trust by origin alone.
✓
Structured logging
Every sync event is logged with a correlation id so your team can trace a record from trigger to destination.
✓
Background queue tested
Jobs run on Action Scheduler or a real queue with a dead-letter path. Verified against timeouts and retries.
✓
Admin dashboard
Staff see sync status, last success, error counts and a manual retry button without opening the server.
✓
Automated tests
Unit tests cover mappers and auth. Integration tests hit the real vendor sandbox to catch contract drift.
✓
Runbook handover
Written runbook for common failures. Your team knows exactly what to do when a token expires or a vendor goes down.
For agencies
Your clients. Our integrations. Your brand.
We are the silent integrations team behind design, marketing and SaaS agencies. Your client sees your work, your invoice and your brand. Our name never appears in the plugin header, the Slack channel or the handover docs.
01
Fully branded delivery
Plugin headers, admin pages, docs and runbooks carry your brand, not ours.
02
Dedicated partner PM
One point of contact for every integration. Shared Slack, weekly syncs, fast replies.
03
Transparent partner pricing
Retainer rates, bulk discounts and priority scheduling for agency partners.
04
Your process, not ours
We plug into your ClickUp, Linear, Jira or Notion. No tool switching, no friction for your team.
You send the vendor docs, credentials and a sketch of what the client needs connected.
02
Step 2
Scope and partner quote
We write a detailed data map and send you a partner rate quote. Never shown to your client.
03
Step 3
Add margin, quote your client
You mark up, brand the proposal and present it on your letterhead at your price.
04
Step 4
Client approves the scope
Your client signs off on your terms, with your brand, and pays you directly.
05
Step 5
We build under NDA
Silent build on branded staging. No vendor credits, no email signatures, no footer links from us.
06
Step 6
Deliver as your own
You review, accept handover and ship the integration to your client under your agency name.
Common questions
What clients ask us about integrations.
Which systems do you integrate with WordPress and WooCommerce?+
HubSpot, Salesforce, Pipedrive, Zoho, NetSuite, SAP Business One, Xero, QuickBooks, Stripe, Adyen, Mollie, Razorpay, Mailchimp, Klaviyo, ActiveCampaign, Segment, Twilio, SendGrid, Algolia, Meilisearch and any system with a REST, GraphQL or webhook API. If you have credentials, we can connect it.
Do you use Zapier, Make or n8n, or do you write custom code?+
We default to custom PHP inside a versioned plugin because it is faster, cheaper at scale and far more reliable than no-code glue. We still use Zapier, Make or n8n when a client already owns the subscription and volume is low. We will tell you which fits your case before quoting.
How do you handle API failures and rate limits?+
Every outbound call goes through a queue with exponential backoff, a retry cap and a dead-letter log you can inspect. We respect Retry-After headers, track remaining quota and circuit-break when an upstream is clearly down so we do not flood it or lose data.
Can we own the code and take it in-house later?+
Yes. The integration ships as a plugin in your own repo with full commit history, a README, inline docs and a runbook. No vendor lock-in, no hidden SaaS fees. Your developers can extend or take it over the day after launch.
How long does a typical integration take?+
A single-endpoint sync such as form to CRM takes 1 to 2 weeks. A full WooCommerce to ERP two-way sync with products, stock, orders and customers takes 4 to 8 weeks. You will get a firm timeline in the written scope before work begins.
Do you handle compliance, PII and audit logs?+
Yes. We scope what personal data moves, encrypt it in transit and at rest where needed, and build audit logs for every sync event. For regulated industries we align with your GDPR, HIPAA or PCI posture and document the data flow in the handover pack.
Start your integration
Tell us which systems you need connected.
Share the systems, the data and the triggers. An integrations engineer will respond with a written scope and timeline within one business day.
Free scoping call and written estimate within 24h
Fixed quote before any work begins
Integrations engineer on your project from day one