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Start a step-up assertion challenge

POST
/v1/mfa/stepup/challenge
curl --request POST \
--url https://api.aetherpush.com/v1/mfa/stepup/challenge \
--header 'Authorization: Bearer <token>'

Dashboard sessions only. Returns WebAuthn authentication options for the account’s own passkeys, to prove possession of an existing factor before changing the factor set. Opening a challenge voids the account’s in-flight one. API keys and named access keys are rejected by the login session guard with a plain 403. A valid CLI session or a session that predates credential attribution is refused with 403 and code dashboard_session_required; a TOTP proof needs no challenge and stays available to any login session. Accounts with only an authenticator app receive 409 and step up with a TOTP code instead.

WebAuthn authentication options for the step-up assertion.

Media typeapplication/json
object
options
required

WebAuthn PublicKeyCredentialRequestOptionsJSON for the step-up assertion.

object
key
additional properties
any

Example generated

{
"options": {}
}

Authentication required.

Media typeapplication/json
Error

Standard error envelope. code is the stable machine identifier for client branching and i18n. The wording of error is a human-readable fallback and is not part of the contract. Specialized responses keep narrower code enums where clients already branch on them.

object
error
required

Human-readable error message.

string
code
required

Stable machine code. Prefer this over matching on error. The values this API can answer with are listed in the ApiErrorCode schema of the raw document at https://api.aetherpush.com/openapi.yaml. The field stays an open string here so that a release adding a value does not invalidate this response.

string
requestId

Unique identifier for the request, also exposed as the X-Request-Id response header.

string

Example

{
"error": "The requested resource was not found.",
"code": "not_found",
"requestId": "req_abc123"
}

API keys and named access keys receive a plain 403. A login session that is not a dashboard login session receives code dashboard_session_required.

Media typeapplication/json
Any of:
Error

Standard error envelope. code is the stable machine identifier for client branching and i18n. The wording of error is a human-readable fallback and is not part of the contract. Specialized responses keep narrower code enums where clients already branch on them.

object
error
required

Human-readable error message.

string
code
required

Stable machine code. Prefer this over matching on error. The values this API can answer with are listed in the ApiErrorCode schema of the raw document at https://api.aetherpush.com/openapi.yaml. The field stays an open string here so that a release adding a value does not invalidate this response.

string
requestId

Unique identifier for the request, also exposed as the X-Request-Id response header.

string

Example

{
"error": "This operation requires a login session. API keys and named access keys cannot access it.",
"code": "session_required",
"requestId": "req_abc123"
}

No passkey is available to challenge (code: step_up_unavailable); use a TOTP code.

Media typeapplication/json
Any of:
Error

Standard error envelope. code is the stable machine identifier for client branching and i18n. The wording of error is a human-readable fallback and is not part of the contract. Specialized responses keep narrower code enums where clients already branch on them.

object
error
required

Human-readable error message.

string
code
required

Stable machine code. Prefer this over matching on error. The values this API can answer with are listed in the ApiErrorCode schema of the raw document at https://api.aetherpush.com/openapi.yaml. The field stays an open string here so that a release adding a value does not invalidate this response.

string
requestId

Unique identifier for the request, also exposed as the X-Request-Id response header.

string

Example

{
"error": "The requested resource was not found.",
"code": "not_found",
"requestId": "req_abc123"
}

The tenant’s per-minute management API budget is spent. Retry-After and X-RateLimit-* say when to retry. This is not a plan quota: quota 429s use the Error envelope and do not set Retry-After.

Media typeapplication/json
RateLimitError

Returned with HTTP 429 when an endpoint-specific rate limit is hit, including the per-tenant management API budget. Not the process-wide address limiter (see GlobalAddressRateLimitErrorResponse). retryAfterSeconds indicates how long the client should wait before retrying, and matches the Retry-After header when that header is set. code names the limit that fired so clients can translate without matching on error.

object
error
required
string
code
required
string
retryAfterSeconds
required
integer
>= 1
requestId
string

Example

{
"error": "Rate limit exceeded",
"code": "tenant_rate_limit_exceeded",
"retryAfterSeconds": 60
}
Retry-After
integer
>= 1

Seconds until the tenant window resets.