Payaider API

running

Non-custodial crypto payment gateway. Customer crypto goes straight to the merchant's own wallet — Payaider never holds funds or private keys.

This is a JSON API — every path below returns JSON, not HTML. This page exists only so the base URL is useful in a browser.

Other surfaces

Endpoints

Method	Path	Summary	Access
POST	/v1/payment_intents	Create a payment intent	payment:create
GET	/v1/payment_intents	List payment intents, newest first	payment:read
GET	/v1/payment_intents/:id	Retrieve a payment intent	payment:read
POST	/v1/payment_intents/:id/select_method	Choose asset + wallet: locks a 15-minute quote and reserves a unique amount	payment:create
POST	/v1/payment_intents/:id/cancel	Cancel a payment intent that has not yet been paid	payment:create
POST	/v1/payment_links	Create a payment link (fixed or open amount)	payment:create
GET	/v1/payment_links	List payment links, newest first	payment:read
GET	/v1/payment_links/:id	Retrieve a payment link	payment:read
POST	/v1/payment_links/:id/deactivate	Stop a payment link from opening new payments (idempotent)	payment:create
POST	/v1/payment_links/:id/payment_intents	Open a payment intent from a link (counts one use)	payment:create
POST	/v1/invoices	Create a draft invoice (allocates the next number in the merchant series)	invoice:create
GET	/v1/invoices	List invoices, newest number first	invoice:read
GET	/v1/invoices/:id	Retrieve an invoice	invoice:read
POST	/v1/invoices/:id/issue	Issue a draft invoice: mints its payment intent and makes it payable	invoice:create
POST	/v1/invoices/:id/void	Void an invoice (keeps its number in the series forever)	invoice:create
POST	/v1/api_keys	Mint an API key through the §12 live-key gate (secret returned once)	key:manage
POST	/v1/webhook_endpoints	Register a webhook endpoint (returns the signing secret once)	webhook:manage
GET	/v1/webhook_endpoints/:id/deliveries	List delivery attempts for a webhook endpoint, newest first	webhook:manage
GET	/healthz	Liveness probe (public)	public

Create a payment

# a development key was minted for this boot; this service's own start-up output names it
# (id and last four characters) and says how to have the secret printed there
curl -X POST http://localhost:8787/v1/payment_intents \
  -H "Authorization: Bearer $PAYAIDER_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{"amount":"15000","currency":"USD","metadata":{"order_id":"SB10293"}}'