Integrations
APIs, platforms, and services we've connected to across client projects.
Connected to the platforms that matter
Over the course of many client engagements, Hey iO has built integrations across a broad range of industries and providers. The names below represent APIs and platforms we have worked with in real production systems — and this is far from an exhaustive list.
Payment Gateways
Secure payment processing integrations for card, direct debit, and digital wallets.
Stripe
PayPal / Braintree
Worldpay
Global Payments
First Data / Fiserv
Clover
GoCardless
Square
Opayo (Sage Pay)Banking & Finance
Automated payment files, open banking, and financial data integrations.
BACS / Vocalink
Lloyds BACS
Plaid
TrueLayer
ModulrMessaging & Communications
SMS, email, WhatsApp, and push notification delivery platforms.
Twilio
SendGrid
Mailchimp
Mailgun
SMTP2Go
WhatsApp Business
Vonage / Nexmo
Microsoft Teams
Telegram
Firebase FCMCRM Platforms
Customer relationship management systems we have built against or synchronised with.
Salesforce
HubSpot
Zoho CRM
Pipedrive
Dynamics 365Content Management Systems
Headless and traditional CMS platforms we have integrated with or built on top of.
WordPress
Umbraco
Contentful
Strapi
SanityMapping & Geolocation
Interactive maps, routing, and geocoding services used across logistics and property projects.
Google Maps
OpenStreetMap
Mapbox
Leaflet.js
HERE Maps
Bing MapsCredit & Identity Verification
Credit reference agencies and identity verification services used in regulated projects.
Experian
Equifax
TransUnion
OnfidoPostcode & Address Lookup
UK address validation and postcode lookup APIs for accurate data capture.
Royal Mail PAF
Loqate (GBG)
Ideal Postcodes
GetAddress.io
Postcodes.ioCollaboration & Dev Tools
Project management, team collaboration, and version control platforms.
Slack
ClickUp
Jira
GitHub
GitLab
Notion
Asana
Monday.com
TrelloCloud & Storage
Cloud hosting, object storage, and infrastructure platforms underpinning our deployments.
AWS S3
Microsoft Azure
Google Cloud
Cloudflare
iDrive e2
DockerThis is just the beginning
The integrations listed above represent a cross-section of the APIs and platforms we have used across client projects in finance, logistics, property, healthcare, and retail. If the service you rely on isn’t listed here, the chances are we can still integrate with it — or we’ll tell you honestly if we can’t.
Need a specific integration?
Tell us what you need to connect to. We'll let you know how we can help.
Get in touch
Whether you have an existing system you need to extend, or you're starting fresh, we'd love to hear about your integration challenge.
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Understand our process for scoping, designing, and delivering integration projects from start to finish.
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