Fynvoice developer platform

SME / Corporate API

Register invoices, track verification states and receive indicative financing offers.

SandboxLive · restricted

Integration sequence

  1. 01Create a scoped sandbox API key.
  2. 02POST structured invoice metadata to /api/invoices.
  3. 03Track status with GET /api/invoices/{id}.
  4. 04Subscribe to invoice.verified and offer.received webhooks.

Sandbox example

curl https://sandbox-api.fynvoice.com/api/invoices \
  -H "Authorization: Bearer fyn_sandbox_..." \
  -H "Content-Type: application/json"

Sandbox responses are mock data. Production integration requires partner onboarding.