QR Code Crafter · Authentication Profile
Qr Code Crafter Authentication
Authentication
QR Code Crafter secures its APIs with apiKey and http across 3 declared security schemes, as derived from its OpenAPI definitions.
QR CodeQR Code GenerationStatic QrDynamic QRdynamic redirectsimage exportbulk generationDeveloper ToolsOpenAPIWebMCPbrowser agentspayments (QR)Agent Readinessllms-txtcapability tokens
Methods: apiKey, http
Schemes: 3
OAuth flows:
API key in: header
Security Schemes
AgentApiKey apiKey
· in: header (X-Agent-Api-Key)
DynamicQrBearer http
scheme: bearer
DynamicQrVaultBearer http
scheme: bearer
Source
Authentication Profile
generated: '2026-08-11'
method: searched
source: openapi/qr-code-crafter-openapi-original.json
docs: https://qrcodecrafter.com/ai.txt
note: >-
Upgraded from the mechanical derive, which collapsed the two distinct bearer capability schemes into
one. There are three securitySchemes in the contract, and the difference between the two bearer
schemes matters: a record capability authorizes one redirect, a vault capability authorizes a
container and every child inside it. Also note the whole model has no accounts, no login, no user
identity and no OAuth — authorization is a bearer secret you hold, nothing more.
summary:
types: [apiKey, http]
api_key_in: [header]
oauth2_flows: []
accounts_required: false
default_posture: open
note: >-
The OpenAPI declares no top-level `security` requirement, so the generation surface is open by
default and the management surface applies its scheme per operation.
schemes:
- name: AgentApiKey
type: apiKey
in: header
parameter: X-Agent-Api-Key
required: conditional
description: >-
Optional issued key for scoped or rate-limited access. Requests without it continue to work
unless an administrator enables key enforcement for the deployment, in which case unauthenticated
calls return 401 with a WWW-Authenticate challenge.
effect: >-
Raises the cost budget from 180 to 600 units per 60-second window when enforcement is enabled.
obtained_by: Contact support@qrcodecrafter.com — keys are issued, not self-served and not sold.
applies_to: [downloadQr, generateQr, generateVerifiedQr, generateBulkQr, sendFeedback]
sources: [openapi/qr-code-crafter-openapi-original.json]
- name: DynamicQrBearer
type: http
scheme: bearer
bearerFormat: capability-token
token_pattern: '^[A-Za-z0-9_-]{43}$'
required: true
description: >-
Private 43-character management capability for ONE dynamic QR record, returned at creation or at
explicit token rotation and never retrievable afterwards.
applies_to: [getDynamicQr, updateDynamicQr, deleteDynamicQr]
sources: [openapi/qr-code-crafter-openapi-original.json]
- name: DynamicQrVaultBearer
type: http
scheme: bearer
bearerFormat: capability-token
token_pattern: '^[A-Za-z0-9_-]{43}$'
required: true
description: >-
Private 43-character vault capability returned only when the vault is created. It authorizes the
vault AND all nested records; child credentials are never issued or exposed.
applies_to:
- getDynamicQrVault
- updateDynamicQrVault
- deleteDynamicQrVault
- createDynamicQrVaultChild
- updateDynamicQrVaultChild
- getDynamicQrVaultChildAnalytics
- deleteDynamicQrVaultChild
sources: [openapi/qr-code-crafter-openapi-original.json]
unauthenticated_operations:
- createDynamicQr
- createDynamicQrVault
- redirectDynamicQr
- headDynamicQr
unauthenticated_operations_note: >-
Creation is deliberately anonymous — that is how a capability model bootstraps with no accounts.
The write is additionally protected against cross-origin abuse with a 403, and by rate limits.
capability_model:
rotation: >-
PATCH with rotateToken:true returns a new managementToken and managementUrl once and immediately
invalidates the previous token.
recovery: none
recovery_note: >-
There is no password reset, no email recovery and no support path back to a lost capability. Losing
the token means the record keeps redirecting and can never be edited, paused or deleted. This is
the sharpest operational edge in the whole contract and every client should be built around it.
identifiers_are_not_credentials: >-
The 22-character slug and vaultId are public — the slug appears in the printed /r/{slug} URL. The
spec says outright that a vaultId is "not sufficient for authorization".
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