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Developer Access

Build payments into
your platform.

Build payments, onboarding, recurring billing, hosted checkout, reporting, and merchant workflows directly into your platform with Kadima's API infrastructure.

Get Developer Access Talk to Kadima Selective access · docs link emailed instantly · reviewed for fit.
What you can build with Kadima

One API for the whole
payment workflow.

Embedded merchant onboarding

Onboard and verify your own merchants through the API — KYC, underwriting, and boarding handled by Kadima, surfaced inside your product.

Payment links & hosted checkout

Generate branded payment links or drop in hosted checkout so card data never touches your servers — PCI scope stays minimal.

Recurring billing

Subscriptions, metered usage, stored credentials, retries, and dunning — recurring revenue logic exposed through clean endpoints.

Reporting & transaction visibility

Query authorizations, captures, refunds, settlements, and chargebacks — reconcile and report without scraping a dashboard.

Webhooks & platform notifications

Subscribe to signed, real-time events for payments, payouts, disputes, and account changes to drive your platform workflows.

ISV / SaaS / vertical platforms

Built for software platforms that want to own payments end to end — split payments, sub-merchant payouts, and unified reporting.

A glimpse, not the manual

Clean, predictable endpoints.

A taste of the shape of the API. The full reference is shared after your access review.

payment link
# Create a hosted payment link
POST /v1/payment-links
{
  "amount": 4200,
  "currency": "usd",
  "description": "Invoice #1042",
  "customer_email": "ops@acme.com"
}
onboarding
# Onboard a sub-merchant
POST /v1/merchants
{
  "legal_name": "Acme LLC",
  "mcc": "5812",
  "email": "owner@acme.com",
  "webhook_url": "https://app.acme.com/kadima"
}

Teaser examples only. Endpoints, fields, and authentication are illustrative — request developer access to receive the complete, versioned API documentation.

Security & managed risk

Risk defined upfront — so your platform doesn't break.

Kadima underwrites and boards merchants with risk defined upfront, including regulated and specialty verticals others won't touch. Hosted checkout and tokenization keep card data out of your stack, signed webhooks verify every event, and dedicated merchant accounts mean platform growth doesn't trigger sudden holds, reserves, or shutdowns.

How access works

Selective by design.

We don't drop the docs and disappear. Access is reviewed so we can point you at the right integration.

1

Request developer access

Fill out the short form below — it takes about a minute.

2

Tell us what you're building

Share your use case, volume, and timeline so we understand the fit.

3

Receive the API docs link

We email you the documentation link right away.

4

Kadima reviews fit

If it's a match, our team reaches out to help with the integration.

Get Developer Access

Tell us what you're building. We'll send the API docs link to your inbox.

Request received

Thanks — your developer access request has been received. We've sent the API docs link to your email. If the use case looks like a fit, someone from Kadima may reach out.

Ready to build on Kadima?

Request developer access, or talk to our team about the right integration path for your platform.

Get Developer Access Talk to Kadima