> ## Documentation Index > Fetch the complete documentation index at: https://docs.fungies.io/llms.txt > Use this file to discover all available pages before exploring further. # Update Subscription > Update Subscription items and handle proration behavior. Can modify prices, quantities, and add/remove items. ## OpenAPI ````yaml /api-reference/api-docs.yaml patch /v0/subscriptions/{subscriptionIdOrNumber}/update openapi: 3.1.0 info: title: Fungies API v0 version: 0.3.5 servers: - url: https://api.fungies.io security: [] tags: - name: discounts description: Discounts related endpoints - name: keys description: Offer product keys related endpoints - name: orders description: Orders related endpoints - name: payments description: Payments related endpoints - name: offers description: Offers related endpoints - name: products description: Products related endpoints - name: subscriptions description: Subscriptions related endpoints - name: users description: Users related endpoints - name: variants description: Product variants related endpoints - name: plans description: Product plans related endpoints - name: elements description: Elements related endpoints paths: /v0/subscriptions/{subscriptionIdOrNumber}/update: patch: tags: - subscriptions summary: Update Subscription description: |- Update Subscription items and handle proration behavior. Can modify prices, quantities, and add/remove items. operationId: PatchV0SubscriptionsSubscriptionIdOrNumberUpdate parameters: - name: subscriptionIdOrNumber in: path required: true description: Subscription ID or order number schema: $ref: >- #/components/schemas/PatchV0SubscriptionsSubscriptionIdOrNumberUpdateParameterSubscriptionIdOrNumber requestBody: description: PATCH /v0/subscriptions/:subscriptionIdOrNumber/update Request body content: application/json: schema: $ref: >- #/components/schemas/PatchV0SubscriptionsSubscriptionIdOrNumberUpdateRequestBody responses: '200': description: >- PATCH /v0/subscriptions/:subscriptionIdOrNumber/update Positive response content: application/json: schema: $ref: >- #/components/schemas/PatchV0SubscriptionsSubscriptionIdOrNumberUpdatePositiveResponse '400': description: >- PATCH /v0/subscriptions/:subscriptionIdOrNumber/update Negative response content: application/json: schema: $ref: >- #/components/schemas/PatchV0SubscriptionsSubscriptionIdOrNumberUpdateNegativeResponse examples: example1: value: status: error error: message: Sample error message security: - APIKEY_1: [] APIKEY_2: [] components: schemas: PatchV0SubscriptionsSubscriptionIdOrNumberUpdateParameterSubscriptionIdOrNumber: type: string pattern: ^#?([0-9A-Za-z]{12,32}|[0-9]+)(-[0-9]+)?$ description: Subscription ID or order number PatchV0SubscriptionsSubscriptionIdOrNumberUpdateRequestBody: type: object properties: prorationBehavior: type: string enum: - none - create_prorations - always_invoice default: none items: type: array items: type: object properties: name: type: string description: >- Name of the Item. Required if Offer ID is not provided. Can be used to override the Offer name. examples: - Premium Plan unitPrice: type: integer format: int64 exclusiveMinimum: 100 maximum: 9007199254740991 description: >- New unit price in cents (min: 100). Required if Offer ID is not provided. Can be used to override the Offer price. examples: - 10000 currency: type: string enum: - AFN - ALL - DZD - AOA - ARS - AMD - AWG - AUD - AZN - BSD - BDT - BBD - BZD - BMD - BOB - BAM - BWP - BRL - BHD - GBP - BND - BGN - BIF - BYN - KHR - CAD - CVE - KYD - KWD - XAF - XPF - CLP - CNY - COP - KMF - CDF - CRC - HRK - CZK - DKK - DJF - DOP - XCD - EGP - ETB - EUR - FKP - FJD - GMD - GEL - GIP - GTQ - GNF - GYD - HTG - HNL - HKD - HUF - ISK - INR - IDR - ILS - JMD - JPY - JOD - KZT - KES - KGS - LAK - LBP - LSL - LRD - MOP - MKD - MGA - MWK - MYR - MVR - MRO - MUR - MXN - MDL - MNT - MAD - MZN - MMK - NAD - NPR - ANG - TWD - NZD - NIO - NGN - NOK - OMR - PKR - PAB - PGK - PYG - PEN - PHP - PLN - QAR - RON - RUB - RWF - SHP - SVC - WST - STD - SAR - RSD - SCR - SLL - SGD - SBD - SOS - ZAR - KRW - LKR - SRD - SZL - SEK - CHF - TJS - TZS - THB - TND - TOP - TTD - TRY - UGX - UAH - AED - UYU - USD - UZS - VUV - VEF - VND - XOF - YER - ZMW - SLE - XCG - SSP - VES - MRU - STN - VED description: >- Valid currency code. Required if value is provided. Required if Offer ID is not provided. Can be used to override the Offer currency. Note: Currently needs to match Workspace currency. examples: - USD quantity: type: number format: double minimum: 1 maximum: 1.7976931348623157e+308 default: 1 description: 'Optional quantity (default: 1).' examples: - 1 offerId: type: string format: uuid description: |- Optional valid Offer ID. Adds Offer reference to the Item. Note: name, value and currency are derived from the Offer if not provided. - name: Offer name with full specification - value: Offer price - currency: Offer currency examples: - 123e4567-e89b-12d3-a456-426614174000 price: type: number format: double minimum: 100 maximum: 1.7976931348623157e+308 description: Deprecated. Use value instead. value: type: number format: double minimum: 100 maximum: 1.7976931348623157e+308 description: Deprecated. Use unitPrice instead. minItems: 1 maxItems: 1 required: - items PatchV0SubscriptionsSubscriptionIdOrNumberUpdatePositiveResponse: type: object properties: status: type: string const: success data: type: object properties: success: type: boolean required: - success required: - status - data PatchV0SubscriptionsSubscriptionIdOrNumberUpdateNegativeResponse: type: object properties: status: type: string const: error error: type: object properties: message: type: string required: - message required: - status - error securitySchemes: APIKEY_1: type: apiKey in: header name: x-fngs-public-key APIKEY_2: type: apiKey in: header name: x-fngs-secret-key ````