Lender adapter documentation

1# 1. List every lender on the rail
2curl -s $HOSTNAME/api/v1/lenders | jq
3 
4# 2. Filter to MedPay lenders
5curl -s "$HOSTNAME/api/v1/lenders?brand=medpay" | jq
6 
7# 3. Eligibility check (no bureau hit)
8curl -s $HOSTNAME/api/v1/orchestration/evaluate \
9  -X POST -H "Content-Type: application/json" \
10  -d '{
11    "application_id":"app_demo_001",
12    "brand":"tradepay",
13    "amount_cents":1850000,
14    "tier":"prime"
15  }' | jq
16 
17# 4. Full waterfall — returns ranked offers
18curl -s $HOSTNAME/api/v1/orchestration/route \
19  -X POST -H "Content-Type: application/json" \
20  -d '{
21    "application_id":"app_demo_001",
22    "brand":"tradepay",
23    "amount_cents":1850000,
24    "term_months":60,
25    "tier":"prime"
26  }' | jq
27 
28# 5. Sample payload bundle (application + offer + webhook events)
29curl -s $HOSTNAME/api/v1/sample | jq

1// Outbound (we → you) and inbound (you → us) use the same scheme.
2// signature = hex(hmac_sha256(secret, timestamp + '.' + nonce + '.' + body))
3 
4import crypto from 'node:crypto';
5 
6const timestamp = String(Math.floor(Date.now() / 1000));
7const nonce     = crypto.randomBytes(8).toString('hex');
8const body      = JSON.stringify(payload);
9const signature = crypto
10  .createHmac('sha256', LENDER_SECRET)
11  .update(`${timestamp}.${nonce}.${body}`)
12  .digest('hex');
13 
14await fetch('https://api.eazepay.com/api/v1/lenders/lp_buzzpay_prime/quote', {
15  method: 'POST',
16  headers: {
17    'Content-Type': 'application/json',
18    'X-EazePay-Timestamp': timestamp,
19    'X-EazePay-Nonce': nonce,
20    'X-EazePay-Signature': signature,
21  },
22  body,
23});