DEVELOPER HELP CENTRE
A clear answer.
Your next step.
Find a guide, troubleshoot your integration or connect with the team behind BOS.Pay.
10 guides
Make your first sandbox payment
Set up an API key, receiving wallet and test integration on Sepolia.
Read the guideChoose hosted checkout or the API
Create a checkout session and redirect your customer to the payment page.
Read the guideCountries and quote currencies
Look up fiat currency support, country mappings and amount precision.
Read the guideUnderstand payment status
Follow an invoice from creation to confirmation and settlement.
Read the guideHandle a payment that needs attention
Work through expired invoices, underpayments and overpayments.
Read the guideConfigure your receiving wallet
Register the correct merchant settlement address for each network.
Read the guideVerify a webhook signature
Check authenticity before updating an order or fulfilling a purchase.
Read the guideHandle webhook retries
Make your callback consumer safe for duplicate and delayed delivery.
Read the guideInvestigate an API error
Use structured errors and request IDs to diagnose a failed request.
Read the guidePrepare your live launch
Complete verification and exercise the full payment journey before launch.
Read the guideA person when you need one
Let’s work through it.
For integration help, bring your environment, request ID and the steps that failed. Never include API keys, passwords, private keys or recovery phrases.
Prefer a support request?
Use the BOS.Pay support form for payment investigations and a written description of your issue. Our main help centre also covers the POS app and merchant dashboard.
Send a support request Visit the company help centre ↗