REST API · lines

POST /lines/{lineKey}/duplicate

Deep-copy a line and its endpoints/targets into a new line key — build v2 from v1. The copy is saved inactive and does not serve until it is activated. Body: `{newLineKey, name?}`.

post_api_lines_duplicate

Authentication

• Bearer

Parameters

Request body

application/json · required

{
    "newLineKey": "v2",
    "name": "v2"
}

Responses

201

The new (inactive) line.

application/json

{
    "line": {
        "lineKey": "v2",
        "name": "v2",
        "active": false,
        "docsShared": false,
        "publishedAt": "2026-01-15T09:10:00+00:00",
        "endpointCount": 1,
        "draftRevision": null,
        "hasDraft": false,
        "scheduledPublish": null
    }
}

404

No line with this key in the project.

application/json

{
    "required": [
        "error"
    ],
    "properties": {
        "error": {
            "description": "Machine-readable error code, e.g. \"not_found\", \"forbidden\", \"validation\".",
            "type": "string",
            "enum": [
                "bad_request",
                "unauthorized",
                "insufficient_credits",
                "forbidden",
                "web_only",
                "allowlist_widens",
                "not_found",
                "conflict",
                "draft_revision_conflict",
                "rollback_confirmation_conflict",
                "not_replayable",
                "targets_outside_allowlist",
                "gone",
                "deprecated_operation",
                "validation",
                "rate_limited",
                "payment_provider",
                "verification_unavailable",
                "analytics_unavailable",
                "credential_vault_unavailable",
                "notification_grants_unavailable"
            ]
        },
        "message": {
            "description": "Human-readable explanation of what went wrong. Absent on a field-level validation failure, where `fields` carries the detail instead.",
            "type": "string"
        },
        "object": {
            "description": "The resource the error concerns, when there is one.",
            "required": [
                "type",
                "id"
            ],
            "properties": {
                "type": {
                    "type": "string"
                },
                "id": {
                    "type": "string"
                }
            },
            "type": "object"
        },
        "action": {
            "description": "What to do next, naming the call or the panel page that does it. Absent when there is no corrective step.",
            "type": "string"
        },
        "fields": {
            "description": "Present when `error` is \"validation\" — one message per rejected field, keyed by the field name.",
            "type": "object",
            "additionalProperties": {
                "type": "string"
            }
        },
        "retry_after": {
            "description": "An RFC 3339 timestamp, the moment the request may be retried. Not every `rate_limited` refusal carries one.",
            "type": "string",
            "format": "date-time"
        }
    },
    "type": "object"
}

422

newLineKey failed validation, or is already used in this project.

application/json

{
    "required": [
        "error"
    ],
    "properties": {
        "error": {
            "description": "Machine-readable error code, e.g. \"not_found\", \"forbidden\", \"validation\".",
            "type": "string",
            "enum": [
                "bad_request",
                "unauthorized",
                "insufficient_credits",
                "forbidden",
                "web_only",
                "allowlist_widens",
                "not_found",
                "conflict",
                "draft_revision_conflict",
                "rollback_confirmation_conflict",
                "not_replayable",
                "targets_outside_allowlist",
                "gone",
                "deprecated_operation",
                "validation",
                "rate_limited",
                "payment_provider",
                "verification_unavailable",
                "analytics_unavailable",
                "credential_vault_unavailable",
                "notification_grants_unavailable"
            ]
        },
        "message": {
            "description": "Human-readable explanation of what went wrong. Absent on a field-level validation failure, where `fields` carries the detail instead.",
            "type": "string"
        },
        "object": {
            "description": "The resource the error concerns, when there is one.",
            "required": [
                "type",
                "id"
            ],
            "properties": {
                "type": {
                    "type": "string"
                },
                "id": {
                    "type": "string"
                }
            },
            "type": "object"
        },
        "action": {
            "description": "What to do next, naming the call or the panel page that does it. Absent when there is no corrective step.",
            "type": "string"
        },
        "fields": {
            "description": "Present when `error` is \"validation\" — one message per rejected field, keyed by the field name.",
            "type": "object",
            "additionalProperties": {
                "type": "string"
            }
        },
        "retry_after": {
            "description": "An RFC 3339 timestamp, the moment the request may be retried. Not every `rate_limited` refusal carries one.",
            "type": "string",
            "format": "date-time"
        }
    },
    "type": "object"
}