Partner documentation

1. Get an API key

Contact your QuizzBuy representative (or the contact form). We generate a key for you in the format zzb_live_… — it is given to you only once, so keep it safe. Pass it on every request in the HTTP header:

Authorization: Bearer zzb_live_VOTRE_CLE

2. Verify your key

curl https://quizzbuy.com/api/v1/me \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"

# Réponse
{
  "company": { "id": "…", "name": "Votre société", "slug": "votre-societe" },
  "commission_rate": 0.05,
  "click_param": "zzb_click"
}

3. Publish your listings

A listing is either a buyback offer (BUYBACK — you take back a device at a given price), or a sale offer (SALE — a refurbished product you're selling). The submission is an upsert: resending the same externalId updates the listing.

curl -X POST https://quizzbuy.com/api/v1/listings \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{
    "externalId": "ref-interne-123",
    "type": "BUYBACK",
    "title": "Reprise iPhone 15 Pro 256 Go",
    "brand": "Apple",
    "model": "iPhone 15 Pro",
    "category": "SMARTPHONE",
    "storage": "256 GB",
    "condition": "GOOD",
    "priceCents": 52000,
    "currency": "EUR",
    "url": "https://votre-site.fr/reprise/iphone-15-pro",
    "country": "FR"
  }'

• category: SMARTPHONE, LAPTOP, SMARTWATCH, AUDIO or GAMING.
• condition: LIKE_NEW, EXCELLENT, GOOD, FAIR or BROKEN.
• priceCents: price in cents (52000 = €520).
• Each new listing (or edit) goes through moderation before publication.

Update, list or deactivate:

# Lister vos annonces
curl "https://quizzbuy.com/api/v1/listings?type=BUYBACK&status=APPROVED" \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"

# Mise à jour partielle
curl -X PATCH https://quizzbuy.com/api/v1/listings/ID_ANNONCE \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{ "priceCents": 49000 }'

# Désactiver (soft delete)
curl -X DELETE https://quizzbuy.com/api/v1/listings/ID_ANNONCE \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"

4. Click tracking

When a QuizzBuy visitor clicks through to your site, the landing URL contains a click identifier:

https://votre-site.fr/vendre?zzb_click=6f1e0c9a-3b2d-4e8f-9a10-abcdef123456

Store this value (cookie or session on your side, recommended duration: 45 days). It is what allows the order to be attributed. The parameter name (zzb_click by default) is configurable on request.

5. Notify an order (S2S postback)

As soon as a customer places an order (a purchase or a confirmed buyback request) and you have a zzb_click, call our postback from your server:

curl -X POST https://quizzbuy.com/api/v1/postback \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{
    "click_id": "6f1e0c9a-3b2d-4e8f-9a10-abcdef123456",
    "type": "BUYBACK",
    "amount_cents": 52000,
    "currency": "EUR",
    "order_ref": "CMD-2026-000123"
  }'

# Réponse 201
{ "conversion_id": "…", "status": "TO_INVOICE", "commission_cents": 2600 }

• Attribution window: 45 days after the click; beyond that, the response is 422 attribution_window_expired.
• order_ref must be unique: a duplicate returns 409 duplicate_order_ref (idempotency — you can safely retry).
• type: SALE for a purchase, BUYBACK for a buyback.
• currency: EUR only — any other currency is rejected (422 unsupported_currency).

6. Test in sandbox

Add "test": true to the postback: the request is fully validated (key, click_id, 45-day window) but no conversion is recorded or billed.

{ "click_id": "…", "type": "SALE", "amount_cents": 10000, "order_ref": "TEST-1", "test": true }
# → 200 { "test": true, "valid": true, "commission_cents": 500 }

7. Error codes

8. Billing

Each attributed conversion generates a commission (contractual rate, visible via /api/v1/me). QuizzBuy sends you a periodic summary invoice of validated conversions. For any question: contact us.

9. Marketplace — selling on QuizzBuy

SALE listings with a quantity > 0 are sold directly on QuizzBuy (customer payment handled by us, net of commission paid out to you). Additional fields: quantity (stock), color, grade (A/B/C), batteryHealth (%), warrantyMonths. The listing is automatically linked to the matching product page (brand + model + capacity + color).

# Mettre à jour le stock (sans re-modération)
curl -X PATCH https://quizzbuy.com/api/v1/listings/ID_ANNONCE/stock \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{ "quantity": 12 }'

# Ajouter une photo (multipart, max 5 × 5 Mo, jpeg/png/webp)
curl -X POST https://quizzbuy.com/api/v1/listings/ID_ANNONCE/images \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -F "file=@photo.jpg"

10. Webhooks — get notified of sales

Register an HTTPS endpoint; we notify you at every stage of an order containing your products (order.created, order.paid, order.cancelled). The secret is only returned at creation — store it.

curl -X POST https://quizzbuy.com/api/v1/webhooks \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{ "url": "https://votre-site.fr/webhooks/quizzbuy", "events": ["order.paid"] }'

# Réponse (secret affiché une seule fois)
{ "webhook": { "id": "…", "secret": "whsec_…", "events": ["order.paid"] } }

# Tester
curl -X POST https://quizzbuy.com/api/v1/webhooks/ID_WEBHOOK/test \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"

Each delivery is signed. Check the X-ZZbuy-Signature header (t=timestamp,v1=hex):

// Node.js
const [t, v1] = signature.split(",").map((p) => p.split("=")[1]);
const expected = crypto
  .createHmac("sha256", WEBHOOK_SECRET)
  .update(`${t}.${rawBody}`)
  .digest("hex");
const valid =
  crypto.timingSafeEqual(Buffer.from(expected), Buffer.from(v1)) &&
  Math.abs(Date.now() / 1000 - Number(t)) < 300; // anti-replay 5 min

On failure (≠ 2xx), we retry with backoff: 1 min, 5 min, 30 min, 2 h, 12 h. You also receive a sale notification email.

11. Process your orders

List your order lines, acknowledge receipt, then ship with a tracking number (the customer is notified automatically). The delivery address is only visible after payment.

# Lister les commandes à traiter
curl "https://quizzbuy.com/api/v1/orders?status=PENDING" \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"

# Accuser réception
curl -X POST https://quizzbuy.com/api/v1/orders/ID_LIGNE/ack \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"

# Expédier
curl -X POST https://quizzbuy.com/api/v1/orders/ID_LIGNE/ship \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{ "carrier": "Colissimo", "trackingNumber": "6A123456789FR" }'

12. Managed buyback (trade-in)

Managed buyback goes further than a simple redirect-based buyback: the individual submits their device from QuizzBuy, and you manage the entire case via the API (acceptance, receipt, counter-offer, payment). The price shown to the customer is locked at submission from your buyback price grid (see §14); you can only revise it downward after receipt, via a justified counter-offer.

All endpoints authenticate with your API key (Authorization: Bearer zzb_live_…) and only return your cases.

Lifecycle

SUBMITTED → ACCEPTED → SHIPPED → RECEIVED → PAID. Two branches: REJECTED (declined before shipping) and COUNTER_OFFER (counter-offer after inspection, which the individual accepts — then PAID — or declines — device returned, CANCELLED).

List & retrieve

# Lister vos reprises (plus récentes d'abord)
curl "https://quizzbuy.com/api/v1/trade-ins?status=SUBMITTED&limit=50&offset=0" \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"

# Réponse
{
  "total": 3,
  "trade_ins": [
    {
      "trade_in_id": "…",
      "reference": "TI-2026-000042",
      "status": "SUBMITTED",
      "device": {
        "brand": "Apple", "category": "SMARTPHONE", "model": "iPhone 15 Pro",
        "storage": "256 GB", "condition": "GOOD",
        "functional_status": "FULLY_WORKING", "battery_health": 92, "imei": "…"
      },
      "offer_cents": 52000,
      "currency": "EUR",
      "price_locked_until": "2026-08-05T12:00:00.000Z",
      "country": "FR",
      "customer": { "email": "…", "first_name": "…", "last_name": "…", "locale": "fr" },
      "comment": null,
      "counter_offer_cents": null, "counter_reason": null,
      "tracking_carrier": null, "tracking_number": null,
      "shipping_label_url": null, "payout_ref": null,
      "accepted_at": null, "shipped_at": null, "received_at": null,
      "paid_at": null, "cancelled_at": null,
      "created_at": "2026-07-21T12:00:00.000Z"
    }
  ]
}

# Détail d'une reprise
curl https://quizzbuy.com/api/v1/trade-ins/ID_REPRISE \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"
# → { "trade_in": { … } }

• status (optional filter): a value from the table above — otherwise 400 invalid_status.
• limit: max 200 (default 50); offset for pagination.
• The customer (individual's contact info) is only visible on this partner API, never in webhooks.

Transitions

Each action is a POST and returns { "ok": true, "trade_in": { … } }. A transition from an incompatible status returns 409 invalid_status (with the actual current). The individual is notified by email at each step.

# 1. Accepter (depuis SUBMITTED) — shippingLabelUrl facultatif (étiquette prépayée)
curl -X POST https://quizzbuy.com/api/v1/trade-ins/ID_REPRISE/accept \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{ "shippingLabelUrl": "https://votre-site.fr/labels/ti-42.pdf" }'

# 2. Réceptionner l'appareil (depuis SHIPPED ou ACCEPTED)
curl -X POST https://quizzbuy.com/api/v1/trade-ins/ID_REPRISE/receive \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"

# 3a. Payer le montant garanti (depuis RECEIVED) — clôt la reprise
curl -X POST https://quizzbuy.com/api/v1/trade-ins/ID_REPRISE/pay \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{ "payoutRef": "VIR-2026-000123" }'

# 3b. …ou contre-offrer après inspection (depuis RECEIVED) — montant < offre garantie
curl -X POST https://quizzbuy.com/api/v1/trade-ins/ID_REPRISE/counter \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{ "amountCents": 42000, "reason": "Rayures écran non déclarées" }'

# Refuser avant envoi (depuis SUBMITTED uniquement)
curl -X POST https://quizzbuy.com/api/v1/trade-ins/ID_REPRISE/reject \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE"

• accept: only from SUBMITTED. shippingLabelUrl optional (URL, ≤ 500 chars).
• receive: from SHIPPED or ACCEPTED (drop-off/shipping not declared by the customer).
• counter: from RECEIVED. amountCents must be strictly lower than offer_cents, otherwise 400 counter_not_lower; reason required (1–500 chars). The individual then accepts or declines from their tracking page.
• pay: from RECEIVED. payoutRef required (transfer reference, 1–120 chars).
• reject: only from SUBMITTED — no body required.

13. Buyback webhooks (trade_in.*)

The same webhooks (§10, identical X-ZZbuy-Signature signature) cover managed buyback. Subscribe to all or some of the trade_in.* events when creating an endpoint:

curl -X POST https://quizzbuy.com/api/v1/webhooks \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://votre-site.fr/webhooks/quizzbuy",
    "events": ["trade_in.created", "trade_in.shipped", "trade_in.counter_accepted"]
  }'

Delivery body (the individual's contact info is not included — retrieve it via GET /api/v1/trade-ins/:id):

{
  "trade_in_id": "…",
  "reference": "TI-2026-000042",
  "status": "SHIPPED",
  "device": {
    "brand": "Apple", "category": "SMARTPHONE", "model": "iPhone 15 Pro",
    "storage": "256 GB", "condition": "GOOD",
    "functional_status": "FULLY_WORKING", "battery_health": 92, "imei": "…"
  },
  "offer_cents": 52000,
  "currency": "EUR",
  "price_locked_until": "2026-08-05T12:00:00.000Z",
  "country": "FR"
}

14. Push your buyback price grid

A "push" alternative to our CSV pull flow: send your buyback price grid directly. Each row carries the 4 amounts according to device condition. Prices feed the same table as the automatic sync — so they appear immediately in the comparator and serve as the locked price for managed buyback (§12). The operation is an upsert by (brand, category, model, capacity).

curl -X PUT https://quizzbuy.com/api/v1/buyback/prices \
  -H "Authorization: Bearer zzb_live_VOTRE_CLE" \
  -H "Content-Type: application/json" \
  -d '{
    "prices": [
      {
        "brand": "Apple",
        "category": "SMARTPHONE",
        "model": "iPhone 15 Pro",
        "storage": "256 GB",
        "priceNewCents": 60000,
        "priceGoodCents": 52000,
        "priceFairCents": 40000,
        "priceBrokenCents": 15000,
        "currency": "EUR",
        "url": "https://votre-site.fr/reprise/iphone-15-pro"
      }
    ]
  }'

# Réponse
{ "ok": true, "upserted": 1 }

• prices: 1 to 2000 rows per request.
• category: SMARTPHONE, TABLET, LAPTOP, SMARTWATCH, AUDIO or GAMING.
• priceNewCents (new), priceGoodCents (good), priceFairCents (fair), priceBrokenCents (broken) — in cents, ≥ 0.
• storage and url optional; capacity is normalized automatically (e.g. « 256go » → « 256 GB »).