attach_plan
Attach a plan
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MUTATES Autumn billing data — attaches (subscribes) a plan to a customer; may create an invoice / return a payment URL. Autumn API: POST /v1/billing.attach. Returns { customer_id, invoice, payment_url, required_action }.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| customer_id | string | yes | The ID of the customer to attach the plan to. |
| plan_id | string | yes | The ID of the plan. |
| entity_id | string | no | The ID of the entity to attach the plan to. |
| feature_quantities | array | no | Prepaid feature quantities: array of { feature_id, quantity?, adjustable? }. |
| version | integer | no | The version of the plan to attach. |
| success_url | string | no | URL to redirect to after a successful checkout. |
| redirect_mode | string | no | Checkout redirect mode: always, if_required, or never. |
| invoice_mode | object | no | Invoice-mode configuration object (send an invoice instead of auto-charging). |
| checkout_session_params | object | no | Extra Stripe checkout session params (can carry metadata). |
| customize | object | no | Optional plan overrides (price, items, licenses, free trial). |
Raw JSON schema
{
"type": "object",
"properties": {
"customer_id": {
"type": "string",
"description": "The ID of the customer to attach the plan to."
},
"plan_id": {
"type": "string",
"description": "The ID of the plan."
},
"entity_id": {
"description": "The ID of the entity to attach the plan to.",
"type": "string"
},
"feature_quantities": {
"description": "Prepaid feature quantities: array of { feature_id, quantity?, adjustable? }.",
"type": "array",
"items": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
}
},
"version": {
"description": "The version of the plan to attach.",
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"success_url": {
"description": "URL to redirect to after a successful checkout.",
"type": "string"
},
"redirect_mode": {
"description": "Checkout redirect mode: always, if_required, or never.",
"type": "string"
},
"invoice_mode": {
"description": "Invoice-mode configuration object (send an invoice instead of auto-charging).",
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
},
"checkout_session_params": {
"description": "Extra Stripe checkout session params (can carry metadata).",
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
},
"customize": {
"description": "Optional plan overrides (price, items, licenses, free trial).",
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
}
},
"required": [
"customer_id",
"plan_id"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}