Smile.io

// Smile.io REST API for loyalty points lookup and reward application.
// Agents check member balance and apply rewards before checkout.

// Look up a member's points balance by email
const member = await fetch('https://api.smile.io/v1/members?email=' + encodeURIComponent(buyerEmail), {
  headers: {
    Authorization: 'Bearer ' + process.env.SMILE_API_KEY,
    'Content-Type': 'application/json',
  },
}).then(r => r.json());

const pointsBalance = member.data?.[0]?.points_balance ?? 0;
console.log('Points available:', pointsBalance);

// Retrieve available rewards (discount codes)
const rewards = await fetch('https://api.smile.io/v1/rewards?member_id=' + member.data[0].id, {
  headers: { Authorization: 'Bearer ' + process.env.SMILE_API_KEY },
}).then(r => r.json());

// rewards.data contains redeemable discount codes with point costs
const bestReward = rewards.data.sort((a, b) => b.points_price - a.points_price)[0];
console.log('Best reward:', bestReward.coupon_code, 'costs', bestReward.points_price, 'points');