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API och integrationer Headless commerce Klarna Checkout

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Klarna Checkout

Klarna Checkout, the provider-specific predecessor of the checkout session endpoints. Still supported, but new builds should use Ecom.Checkout instead. The push endpoint here is an inbound callback from Klarna, not something a storefront calls.

4 anrop POST PUT GET Bas-URL https://api.erp.fluit.cloud/ecom

Autentisering, felkoder, rate limits, idempotens och paginering gäller alla anrop och står samlade under Kom igång.

POST /kco/push

KCO push callback

Webhook called by Kustom when checkout is completed. Creates a SalesOrder and acknowledges to Kustom. Idempotent.

Svar

200 Tom body.
429 Rate limit exceeded. Wait the number of seconds given in Retry-After. The body is problem-shaped application/json, not application/problem+json. This API sends no X-RateLimit-* headers — the quota is discovered here.
  • Retry-After — Seconds to wait before retrying.

Exempel

curl 
curl -X POST "https://api.erp.fluit.cloud/ecom/kco/push" \
  -H "X-Tenant-Id: $FLUIT_TENANT_ID" \
  -H "X-Channel: web"

Bas-URL https://api.erp.fluit.cloud/ecom.

POST /kco/sessions

Create KCO session

Creates a Kustom Checkout session and returns an HTML snippet for embedding the checkout widget. Deprecated alias for POST /ecom/checkout/sessions.

Body krävs

Fält Typ
locale string · nullable

Svar

200 CreateKcoSessionResponse
Fält Typ
htmlSnippet string · nullable
sessionId string(uuid)
429 Rate limit exceeded. Wait the number of seconds given in Retry-After. The body is problem-shaped application/json, not application/problem+json. This API sends no X-RateLimit-* headers — the quota is discovered here.
  • Retry-After — Seconds to wait before retrying.

Standardfel: 400 401 Felhantering

Exempel

curl 
curl -X POST "https://api.erp.fluit.cloud/ecom/kco/sessions" \
  -H "Authorization: Bearer $SESSION_TOKEN" \
  -H "X-Tenant-Id: $FLUIT_TENANT_ID" \
  -H "X-Channel: web" \
  -H "Content-Type: application/json" \
  -d @body.json
Svar 200 
{
  "htmlSnippet": "string",
  "sessionId": "0f8b2c1e-4d3a-4b7e-9f10-2a6c5d8e1b44"
}

Bas-URL https://api.erp.fluit.cloud/ecom. Svarsexemplet är genererat ur schemat: formen stämmer, värdena är påhittade.

PUT /kco/sessions/{sessionId}

Update KCO session

Updates an existing Kustom Checkout session when the cart has changed. Deprecated alias for PATCH /ecom/checkout/sessions/{sessionId}.

Sökvägsparametrar

Fält Typ
sessionId Krävs string(uuid)

Svar

200 UpdateKcoSessionResponse
Fält Typ
htmlSnippet string · nullable
sessionId string(uuid)
429 Rate limit exceeded. Wait the number of seconds given in Retry-After. The body is problem-shaped application/json, not application/problem+json. This API sends no X-RateLimit-* headers — the quota is discovered here.
  • Retry-After — Seconds to wait before retrying.

Standardfel: 400 401 404 Felhantering

Exempel

curl 
curl -X PUT "https://api.erp.fluit.cloud/ecom/kco/sessions/{sessionId}" \
  -H "Authorization: Bearer $SESSION_TOKEN" \
  -H "X-Tenant-Id: $FLUIT_TENANT_ID" \
  -H "X-Channel: web"
Svar 200 
{
  "htmlSnippet": "string",
  "sessionId": "0f8b2c1e-4d3a-4b7e-9f10-2a6c5d8e1b44"
}

Bas-URL https://api.erp.fluit.cloud/ecom. Svarsexemplet är genererat ur schemat: formen stämmer, värdena är påhittade.

GET /kco/sessions/{sessionId}/confirmation

Get KCO confirmation

Returns the Kustom Checkout confirmation HTML snippet and order details. Deprecated alias for GET /ecom/checkout/sessions/{sessionId}/confirmation.

Sökvägsparametrar

Fält Typ
sessionId Krävs string

Svar

200 GetKcoConfirmationResponse
Fält Typ
currencyCode string · nullable
htmlSnippet string · nullable
orderNumber string · nullable
sessionId string(uuid)
status string · nullable
totalAmount decimal · nullable
totalAmountIncludingTax decimal · nullable
totalVat decimal · nullable
429 Rate limit exceeded. Wait the number of seconds given in Retry-After. The body is problem-shaped application/json, not application/problem+json. This API sends no X-RateLimit-* headers — the quota is discovered here.
  • Retry-After — Seconds to wait before retrying.

Standardfel: 401 404 Felhantering

Exempel

curl 
curl "https://api.erp.fluit.cloud/ecom/kco/sessions/{sessionId}/confirmation" \
  -H "Authorization: Bearer $SESSION_TOKEN" \
  -H "X-Tenant-Id: $FLUIT_TENANT_ID" \
  -H "X-Channel: web"
Svar 200 
{
  "currencyCode": "SEK",
  "htmlSnippet": "string",
  "orderNumber": "SO-2026-1041",
  "sessionId": "0f8b2c1e-4d3a-4b7e-9f10-2a6c5d8e1b44",
  "status": "string",
  "totalAmount": "299.00",
  "totalAmountIncludingTax": "299.00",
  "totalVat": "299.00"
}

Bas-URL https://api.erp.fluit.cloud/ecom. Svarsexemplet är genererat ur schemat: formen stämmer, värdena är påhittade.