Transfer the Account Principal

post

https://api.wingspan.app/v3/platform/accounts/{accountId}/transfer-principal

Makes the named Person the Account's Principal, creating or promoting that Person's Stakeholder row. Any Account Admin may call it. Returns 422 when the Account is not a business of one. Generic Stakeholder PATCH cannot promote or demote Principal membership.

Requires a session with recent MFA step-up for StakeholderChange. If step-up is missing or expired, this operation returns 403 StepUpMfaRequired; create and verify an MFA challenge at /v3/platform/mfa-challenges with requiredFor: "StakeholderChange", then retry.

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Path Params

accountId

string

required

^(?:[A-Za-z0-9_.]{22}|[a-f0-9]{24})$

Account identifier. Newly created V3 Accounts use a 22-character Wingspan ID; migrated Accounts may retain a 24-character lowercase hexadecimal ID.

Body Params

personId

string

required

Headers

Idempotency-Key

string

length between 1 and 255

^[\x21-\x7e]{1,255}$

Optional idempotency token for authenticated POST and PATCH requests. Reusing the same key and body returns the cached response for 24 hours, except credential operations that explicitly document a 409 because one-time secret material is never cached; reusing it with a different body returns 409 IdempotencyKeyConflict. Use 1-255 printable ASCII characters.

X-Wingspan-Account

string

^(?:[A-Za-z0-9_.]{22}|[a-f0-9]{24})$

Select the Account for an Account-scoped operation. A direct ServiceAccount API key MUST supply this header, and the target must be within the ServiceAccount owner's or Authorization grant's Account boundary. A Person bearer may select an Account on which it has an active Stakeholder, and an Account session may select its bound Account (or a descendant only when the session explicitly includes descendants).

string

enum

Defaults to application/json

Generated from available response content types

Allowed:

Responses

Language

Credentials

Bearer

JWT

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Response

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application/json

application/problem+json

200Account with the transferred Principal

401Unauthenticated

403Forbidden or step-up MFA required

404Resource not found

409Conflict

422Validation error