Cards
Fund a card from a business balance
POST
/cards/{id}/fundScope
cards:writeAuth Bearer keyIdempotentPath parameters
idstringrequiredHeaders
Idempotency-KeystringrequiredRetrying with the same key and payload replays the original response.
Responses
200Card funding
Errors
Errors use RFC 9457 problem details. Branch on code, and log request_id.
400Bad request401Unauthenticated403Forbidden409Idempotency conflict422Validation error429Rate limitedcURL
curl -X POST "https://business.boundlesspay.com/api/public/v1/cards/{id}/fund" \
-H "Authorization: Bearer $BOUNDLESS_API_KEY" \
-H "Idempotency-Key: $(uuidgen)"