WEB / WEB-17.S01

API inventory and authorization contracts

Match API host/version inventory with runtime policy and permitted response fields.

CORE · RED · BLUE · ARTIFACT · PRACTICE

Read every scenario without motion

Bound contract

Ordinary read intent
The consumer selects notes-v2 binding to read the title of note-A. Atlas will evaluate the supplied inventory records; the Notes API has not received a request yet.
Atlas consumer
Public title read intent
Notes API
No receipt; local inventory
Owned note store
Public title stored; no read
Read prepared
The note-A read request is prepared with inventory key notes-v2. The readPublicNote binding will be checked against API inventory; the consumer’s version selection is not acceptance.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
No receipt; local inventory
Owned note store
Public title stored; no read
Read at API
The normal read has arrived at the API; inventory/contract and business permission are not yet accepted.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
Read arrived; binding pending
Owned note store
Public title stored; no read
Local bound policy
Active notes-v2/policy7 binding and function/object/read-field permissions pass before preparing the owned read.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
Bound policy7; resource read ready
Owned note store
Public title stored; no read
Store received read
The permitted ordinary read has arrived; forming the resource body is a separate local projection.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
Bound policy7; resource read ready
Owned note store
Read arrived; response projection pending
Local title projection
The store prepares title-only read projection without owner/tenant fields or any mutation.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
Bound policy7; resource read ready
Owned note store
Title response ready; Tea & Bread
Body at API
The owned public title has arrived at the API and is ready for relay within contract response keys.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
Public body arrived; consumer response ready
Owned note store
Title response ready; Tea & Bread
Consumer result
The ordinary title response has arrived; this is not deployment inventory or browser enforcement execution.
Atlas consumer
Response arrived; title=Tea & Bread
Notes API
Public body arrived; consumer response ready
Owned note store
Title response ready; Tea & Bread

Retired version

Ordinary read intent
The consumer selects notes-v1 binding to read the title of note-A. Atlas will evaluate the supplied inventory records; the Notes API has not received a request yet.
Atlas consumer
Public title read intent
Notes API
No receipt; local inventory
Owned note store
Public title stored; no read
Read prepared
The note-A read request is prepared with inventory key notes-v1. The readLegacyNote binding will be checked against API inventory; the consumer’s version selection is not acceptance.
Atlas consumer
note-A read ready; inventory=notes-v1
Notes API
No receipt; local inventory
Owned note store
Public title stored; no read
Read at API
The normal read has arrived at the API; inventory/contract and business permission are not yet accepted.
Atlas consumer
note-A read ready; inventory=notes-v1
Notes API
Read arrived; binding pending
Owned note store
Public title stored; no read
Local binding evidence
The notes-v1 entry has lifecycle=retired. This application denies retired binding and does not proceed to store reading; the supplied entry does not prove removal of an external deployment.
Atlas consumer
note-A read ready; inventory=notes-v1
Notes API
Binding denied: retired
Owned note store
Public title stored; no read
Local no-delivery gate
Denied or unknown binding stops resource reading; a described schema does not provide business permission.
Atlas consumer
note-A read ready; inventory=notes-v1
Notes API
No resource read; no body or mutation
Owned note store
Public title stored; no read
Denial prepared
A fixed diagnostic response is prepared while the owned store retains its previous state.
Atlas consumer
note-A read ready; inventory=notes-v1
Notes API
retired denial ready; no resource body
Owned note store
Public title stored; no read
Consumer received denial
The denial has arrived; absence of protected title delivery is tracked separately from unknown inventory evidence.
Atlas consumer
Denial received: retired; no title
Notes API
retired denial ready; no resource body
Owned note store
Public title stored; no read

Policy drift

Ordinary read intent
The consumer selects notes-v2 binding to read the title of note-A. Atlas will evaluate the supplied inventory records; the Notes API has not received a request yet.
Atlas consumer
Public title read intent
Notes API
No receipt; local inventory
Owned note store
Public title stored; no read
Read prepared
The note-A read request is prepared with inventory key notes-v2. The readPublicNote binding will be checked against API inventory; the consumer’s version selection is not acceptance.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
No receipt; local inventory
Owned note store
Public title stored; no read
Read at API
The normal read has arrived at the API; inventory/contract and business permission are not yet accepted.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
Read arrived; binding pending
Owned note store
Public title stored; no read
Local binding evidence
Although notes-v2 is active, runtimePolicyRevisionDeclared=6 differs from requiredPolicyRevision=7. The reason is policy-mismatch; positive business gates cannot remove this revision difference.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
Binding denied: policy-mismatch
Owned note store
Public title stored; no read
Local no-delivery gate
Denied or unknown binding stops resource reading; a described schema does not provide business permission.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
No resource read; no body or mutation
Owned note store
Public title stored; no read
Denial prepared
A fixed diagnostic response is prepared while the owned store retains its previous state.
Atlas consumer
note-A read ready; inventory=notes-v2
Notes API
policy-mismatch denial ready; no resource body
Owned note store
Public title stored; no read
Consumer received denial
The denial has arrived; absence of protected title delivery is tracked separately from unknown inventory evidence.
Atlas consumer
Denial received: policy-mismatch; no title
Notes API
policy-mismatch denial ready; no resource body
Owned note store
Public title stored; no read

Unknown version

Ordinary read intent
The consumer selects notes-v3 binding to read the title of note-A. Atlas will evaluate the supplied inventory records; the Notes API has not received a request yet.
Atlas consumer
Public title read intent
Notes API
No receipt; local inventory
Owned note store
Public title stored; no read
Read prepared
The note-A read request is prepared with inventory key notes-v3. The operation unknown binding will be checked against API inventory; the consumer’s version selection is not acceptance.
Atlas consumer
note-A read ready; inventory=notes-v3
Notes API
No receipt; local inventory
Owned note store
Public title stored; no read
Read at API
The normal read has arrived at the API; inventory/contract and business permission are not yet accepted.
Atlas consumer
note-A read ready; inventory=notes-v3
Notes API
Read arrived; binding pending
Owned note store
Public title stored; no read
Local binding evidence
No inventory entry is present for inventoryKey=notes-v3, and runtimePolicyRevisionDeclared=null. The reason is inventory-unknown: scope remains unknown and reading is withheld, without inferring hostility or retirement.
Atlas consumer
note-A read ready; inventory=notes-v3
Notes API
Binding denied: inventory-unknown
Owned note store
Public title stored; no read
Local no-delivery gate
Denied or unknown binding stops resource reading; a described schema does not provide business permission.
Atlas consumer
note-A read ready; inventory=notes-v3
Notes API
No resource read; no body or mutation
Owned note store
Public title stored; no read
Denial prepared
A fixed diagnostic response is prepared while the owned store retains its previous state.
Atlas consumer
note-A read ready; inventory=notes-v3
Notes API
inventory-unknown denial ready; no resource body
Owned note store
Public title stored; no read
Consumer received denial
The denial has arrived; absence of protected title delivery is tracked separately from unknown inventory evidence.
Atlas consumer
Denial received: inventory-unknown; no title
Notes API
inventory-unknown denial ready; no resource body
Owned note store
Public title stored; no read

ACTORS · STATE · DATA FLOW

Which deployment does the API contract describe?

Atlas’s notes contract describes readPublicNote. Inventory is more than an endpoint list: host, environment, owner, API version, lifecycle, policy revision, data class and integration flow must align. notes-v2 is active and notes-v1 retired; that marker alone does not prove a real deployment has been removed. Even a public title needs a known store-to-consumer data flow. OpenAPI openapi specifies the description-format version, info.version the document version, and /v2 a product API-version choice; these need not share one version number. The artifact contractFragment is incomplete and illustrates selected fields for a read-only GET and ordinary Tea & Bread response shape.

Description and authorization are separate layers

OpenAPI operationId links a uniquely described operation, and security declares applicable schemes. Multiple schemes in one Security Requirement Object are jointly required, while an array lists alternatives of which one suffices. An empty requirement object {} supports an anonymous alternative; operation-level security: [] removes the top-level declaration, a different representation. Describing these fields does not install runtime enforcement. Atlas separately requires notes.read function permission, a public-note relationship and a title-only response projection. Schema type checks replace none of these business decisions. The response contract restricts exposure to permitted title fields; having a token or scope does not grant reading every object.

Version drift is an evidence question

The fixture checks inventory binding and lifecycle before comparing observed runtime-policy revision with the contract. In policy-drift, the v2 name is correct but declared runtime policy 6 conflicts with contract 7, stopping resource delivery. The unknown-version row lacks inventory evidence and records unknown scope rather than automatically attributing hostility to a host. A deprecated operation warns consumers to migrate; it does not disable a route. Retirement plans need ownership, client migration and removal/deny evidence across ingress and worker integrations. A schema or authorization improvement limited to the new version may leave older deployments connected to the same data under another policy; inventory makes this relationship visible.

Read every scenario without motion

Version retired

The operation was matched with inventory
The notes-v1 record has retired lifecycle, policyRevision=6 and readLegacyNote. The supported profile uses readPublicNote and requiredPolicyRevision=7.
Inventory operation
Inventory: notes-v1
Admission gate
Admission pending
Title delivery boundary
Title not prepared
Business gates were read separately
The row declares functionAllowed, objectAllowed and readPropertiesAllowed=true. Those positive values cannot replace the retired-lifecycle check.
Inventory operation
Business gates=true
Admission gate
Lifecycle retired
Title delivery boundary
Admission pending
The inventory-admission boundary stopped processing
expectedAccepted=false with reason=retired. This profile rejects retired-operation admission without claiming removal of an external deployment.
Inventory operation
Acceptance=false
Admission gate
Reason: retired
Title delivery boundary
Delivery=false
Projection remained closed
expectedBody=null and expectedMutation=false. Even a public title used as a learning object does not justify skipping this selected gate.
Inventory operation
Known gate denial
Admission gate
Mutation=false
Title delivery boundary
Body=null
Contract description was not counted as enforcement
deprecated and OpenAPI security declarations are not runtime gates. Defining retirement policy and observing deployment removal require different evidence.
Inventory operation
Description ≠ enforcement
Admission gate
Fixture deny known
Title delivery boundary
External runtime unknown
The denial cause retained its scope
An old-version record alone proves neither vulnerability nor breach. The known result is denied admission and delivery in this inventory profile.
Inventory operation
No title delivery
Admission gate
No mutation
Title delivery boundary
No incident inference

Policy drift

The operation was matched with inventory
The notes-v2 inventory entry is active at policyRevision=7. runtimePolicyRevisionDeclared=6 in the policy-drift row shows a different enforcement expectation for the same operation.
Inventory operation
Inventory: notes-v2
Admission gate
Admission pending
Title delivery boundary
Title not prepared
Business gates were read separately
Even with function, object and property conditions true, required and runtime policy revisions must match. Shape and permission fields cannot erase revision drift.
Inventory operation
Business gates=true
Admission gate
Required 7; declared 6
Title delivery boundary
Admission pending
The inventory-admission boundary stopped processing
expectedAccepted=false with reason=policy-mismatch. An active inventory entry does not permit title delivery across this revision mismatch.
Inventory operation
Acceptance=false
Admission gate
Reason: policy-mismatch
Title delivery boundary
Delivery=false
Projection remained closed
expectedBody=null and expectedMutation=false. Even a public title used as a learning object does not justify skipping this selected gate.
Inventory operation
Known gate denial
Admission gate
Mutation=false
Title delivery boundary
Body=null
Contract description was not counted as enforcement
An OpenAPI security fragment cannot itself enforce the required runtime revision. Description and enforcement provenance are tracked separately.
Inventory operation
Description ≠ enforcement
Admission gate
Fixture deny known
Title delivery boundary
External runtime unknown
The denial cause retained its scope
Policy drift is a reconciliation finding, not data-leak evidence by itself. The differing operation, context and revision remain explicit in this tuple.
Inventory operation
No title delivery
Admission gate
No mutation
Title delivery boundary
No incident inference

ASSUMPTION · BOUNDARY · CONTROL

Treating the documented route as the whole surface

A normal consumer uses the supported notes-v2 contract. The broken assumption is that a deployment absent from current documentation no longer runs or necessarily enforces the same policy. Failure requires parallel versions/environments retaining access to the same data flow with different enforcement; impact follows that integration’s read/action scope. An older version alone is not a vulnerability or breach: retirement and policy evidence matter. The notes-v1 fixture denies at its declared lifecycle gate but does not establish external reachability. Controls reconcile owner-maintained inventory, apply relevant policy to all exposed versions and verify migration/removal. These supplied records explain the boundary without network discovery or calling undocumented operations.

Mistaking contract validity for business permission

Normal request shape and a described security scheme can indicate use of the intended interface. The broken assumption is that they automatically enforce object relationships or response-field permission. Failure requires handlers omitting function/object/property decisions after schema validation or gateway authentication. Impact can be schema-valid unauthorized resource reading or unnecessary field delivery. PermissionRows supply a public-note positive case and each separate denial gate without API calls or discovery. Explicit operation-to-policy binding and minimal response projection preserve the boundary. Missing inventory evidence and object denial are different reasons; collapsing diagnostic fields hides the missing control.

Read every scenario without motion

Inventory missing

The unknown-version record was opened
The unknown-version row has inventoryKey=notes-v3 and runtimePolicyRevisionDeclared=null. Listed v1/v2 data cannot fill v3 ownership or lifecycle evidence.
Inventory/contract observation
Key: notes-v3
Reconciliation review
Revision=null
Evidence conclusion
Scope UNKNOWN
The missing-inventory reason was preserved
reason=inventory-unknown is not the same as known object denial. Owner, environment, contract and policy revision need reconciliation.
Inventory/contract observation
Inventory unknown
Reconciliation review
Ownership evidence missing
Evidence conclusion
Admission pending
The safe outcome was separated from evidence
expectedAccepted=false, expectedDelivery=false and expectedBody=null. Safe withheld delivery does not establish that an unknown scope is retired or hostile.
Inventory/contract observation
Admission=false
Reconciliation review
Unknown scope retained
Evidence conclusion
Body=null
An absent access log did not mean removal
unknownEvidence.missingAccessLogMeans says receipt is unknown. No log does not prove deployment removal or route unreachability.
Inventory/contract observation
Receipt UNKNOWN
Reconciliation review
Reachability UNKNOWN
Evidence conclusion
No removal proof
The reconciliation tuple was established
Host, environment, API version, owner, contract revision, policy revision and data flow are reviewed under the same operation. A version path alone cannot replace that tuple.
Inventory/contract observation
Operation tuple required
Reconciliation review
Owner evidence required
Evidence conclusion
No guessed inventory
The review conclusion stayed narrow
This JSON teaches inventory decisions without producing a live exposure inventory. Known withheld delivery is reported alongside unknown deployment state.
Inventory/contract observation
Fixture denial known
Reconciliation review
Deployment UNKNOWN
Evidence conclusion
Investigation required

Security logic

The security-requirement form was read
sameObjectAllSchemes defines AND for scheme-A and scheme-B. Two schemes inside one requirement object are required together.
Inventory/contract observation
Same object: AND
Reconciliation review
Alternatives not reviewed
Evidence conclusion
No runtime outcome
The alternatives array was separated
arrayAlternatives defines OR for requirement-A and requirement-B. Reading an object and an alternatives array as the same conjunction changes declaration semantics.
Inventory/contract observation
Object: AND
Reconciliation review
Array: OR
Evidence conclusion
Declaration review
Empty-object semantics were preserved
emptyRequirementObject has representation={} and anonymousAlternative=true. An empty object differs from an empty operation array that removes the root security declaration.
Inventory/contract observation
{}: anonymous alternative
Reconciliation review
[]: operation override
Evidence conclusion
Forms distinct
The operation override was reviewed separately
emptyOperationArray declares removesRootDeclaration=true. Review reads root and operation declarations together while retaining descriptionEnforcesRuntime=false.
Inventory/contract observation
Override semantics known
Reconciliation review
Description enforcement=false
Evidence conclusion
No runtime acceptance claim
No business-gate tuple was invented
An OpenAPI scheme declaration does not check object ownership or title-property permission. permissionRows retains separate function, object and properties conditions.
Inventory/contract observation
Scheme ≠ object policy
Reconciliation review
Function/object/property separate
Evidence conclusion
No automatic title grant
Contract review remained separate from enforcement
This review checks declaration operators and override meaning. Runtime enforcement and response projection need separate observations.
Inventory/contract observation
Declaration semantics known
Reconciliation review
Runtime evidence separate
Evidence conclusion
Property delivery unobserved

IMPLEMENTATION · SECURITY CONTROL · VERIFICATION

Reconcile inventory with runtime evidence

Owner inventory records host/environment/API version, contract and policy revisions and data-flow ownership. Runtime observations correlate deployment/route identity and policy revision to the operation; successful documentation builds or absent access logs do not prove retirement. Baseline is active v2/policy7 and an allowed public-note title response. Retired, revision-mismatch and unknown records need distinct reasons; unknown evidence prompts investigation, and no acceptance is not attack attribution. Unavailable telemetry leaves observed state unknown. This local JSON is not an inventory generated from actual exposed services. Reconciliation can record resource class and approved integration direction without moving customer data.

Connect version controls to migration decisions

Contract regression checks expected response keys and function/object/property denial together for readPublicNote. Compare operation security overrides with root policy without losing empty-object, empty-array or alternative semantics. Description-format updates differ from business API changes; raising a schema version does not backport authorization fixes to older deployments. After ownership and consumer migration evidence are complete, independently verify removal/deny state; legacy clients or staging data coupling can cause benign drift. Finite native JSON comparisons check selected revisions/properties, not complete OpenAPI validation or deployed enforcement. Choose backport, a controlled compatibility interval or retirement according to impact and policy differences.

NOW APPLY IT TO THE CASE

Which runtime outcomes are not proved by a version or security declaration?

notes-v2 is matched with supported policy; retirement, drift and unknown scope withhold delivery for different reasons. Contract declarations and live enforcement need separate evidence.

Separate decisions for verified actor, tenant relation and requested action in the case. Do not substitute authentication or proof success for object permission.

Open the related case file ↗

READ THE EXAMPLE TOGETHER

Inventory–contract reconciliation

Select a field and examine what it supports and where the evidence ends.

Read the raw artifact and field explanations

{
  "profile": {
    "operationId": "readPublicNote",
    "actor": "Duru",
    "noteId": "note-A",
    "noteTitle": "Tea & Bread",
    "host": "https://notes.example.org",
    "environment": "local-synthetic",
    "requiredPolicyRevision": 7,
    "contractRevision": "notes-contract-7",
    "actualRequest": false,
    "actualDeploymentInventory": false,
    "actualAPIValidator": false,
    "actualResource": false
  },
  "inventory": [
    {
      "key": "notes-v2",
      "host": "https://notes.example.org",
      "environment": "local-synthetic",
      "apiVersion": "v2",
      "owner": "library-team",
      "lifecycle": "active",
      "policyRevision": 7,
      "contractRevision": "notes-contract-7",
      "operationId": "readPublicNote",
      "retirementPlan": "supported; normal review before change",
      "dataClass": "public-note-title",
      "dataFlow": "owned note store → selected title response"
    },
    {
      "key": "notes-v1",
      "host": "https://notes.example.org",
      "environment": "local-synthetic",
      "apiVersion": "v1",
      "owner": "library-team",
      "lifecycle": "retired",
      "policyRevision": 6,
      "contractRevision": "notes-contract-6",
      "operationId": "readLegacyNote",
      "retirementPlan": "deny admission in this selected fixture; deployment removal needs independent evidence",
      "dataClass": "public-note-title",
      "dataFlow": "no fixture resource delivery"
    }
  ],
  "contractFragment": {
    "openapi": "3.2.1",
    "info": {
      "title": "Atlas public notes",
      "version": "notes-contract-7"
    },
    "operation": {
      "operationId": "readPublicNote",
      "method": "GET",
      "path": "/v2/notes/{noteId}",
      "deprecated": false,
      "security": [
        {
          "bearerAuth": []
        }
      ]
    },
    "businessPolicy": {
      "function": "notes.read",
      "object": "public-note relationship",
      "readFields": [
        "title"
      ],
      "mutation": false
    },
    "completeOpenAPIDocument": false
  },
  "rows": [
    {
      "case": "normal",
      "inventoryKey": "notes-v2",
      "runtimePolicyRevisionDeclared": 7,
      "functionAllowed": true,
      "objectAllowed": true,
      "readPropertiesAllowed": true,
      "expectedAccepted": true,
      "reason": "accepted",
      "expectedDelivery": true,
      "expectedBody": {
        "title": "Tea & Bread"
      },
      "expectedMutation": false
    },
    {
      "case": "retired-version",
      "inventoryKey": "notes-v1",
      "runtimePolicyRevisionDeclared": 6,
      "functionAllowed": true,
      "objectAllowed": true,
      "readPropertiesAllowed": true,
      "expectedAccepted": false,
      "reason": "retired",
      "expectedDelivery": false,
      "expectedBody": null,
      "expectedMutation": false
    },
    {
      "case": "policy-drift",
      "inventoryKey": "notes-v2",
      "runtimePolicyRevisionDeclared": 6,
      "functionAllowed": true,
      "objectAllowed": true,
      "readPropertiesAllowed": true,
      "expectedAccepted": false,
      "reason": "policy-mismatch",
      "expectedDelivery": false,
      "expectedBody": null,
      "expectedMutation": false
    },
    {
      "case": "unknown-version",
      "inventoryKey": "notes-v3",
      "runtimePolicyRevisionDeclared": null,
      "functionAllowed": true,
      "objectAllowed": true,
      "readPropertiesAllowed": true,
      "expectedAccepted": false,
      "reason": "inventory-unknown",
      "expectedDelivery": false,
      "expectedBody": null,
      "expectedMutation": false
    }
  ],
  "permissionRows": [
    {
      "case": "public-note",
      "function": true,
      "object": true,
      "properties": true,
      "expected": true
    },
    {
      "case": "no-function",
      "function": false,
      "object": true,
      "properties": true,
      "expected": false
    },
    {
      "case": "no-object",
      "function": true,
      "object": false,
      "properties": true,
      "expected": false
    },
    {
      "case": "no-property",
      "function": true,
      "object": true,
      "properties": false,
      "expected": false
    }
  ],
  "securitySemantics": {
    "sameObjectAllSchemes": {
      "requirements": [
        "scheme-A",
        "scheme-B"
      ],
      "operator": "AND"
    },
    "arrayAlternatives": {
      "requirements": [
        "requirement-A",
        "requirement-B"
      ],
      "operator": "OR"
    },
    "emptyRequirementObject": {
      "representation": {},
      "anonymousAlternative": true
    },
    "emptyOperationArray": {
      "representation": [],
      "removesRootDeclaration": true
    },
    "descriptionEnforcesRuntime": false
  },
  "unknownEvidence": {
    "missingInventoryMeans": "unknown scope; deny fixture delivery, investigate ownership",
    "missingAccessLogMeans": "unknown receipt; not proof of retired deployment removal",
    "schemaValidatedMeans": "shape evidence; not business permission"
  },
  "boundaries": {
    "deprecatedDisablesEndpoint": false,
    "OpenAPISecurityChecksObjectOwner": false,
    "versionPathEqualsDocumentVersion": false,
    "inventoryEntryProvesLiveRuntime": false,
    "missingTraceProvesNoReachability": false
  }
}

inventory: Host/environment/owner/lifecycle and revision records.
contractFragment: Selected description fields, not a complete schema document.
rows: Binding/lifecycle/revision admission and delivery outcomes.
permissionRows: Function/object/property read policy as separate gates.
securitySemantics: OAS requirement composition and override distinctions.

Owned inert inventory/contract and read-only matrix; not network discovery, actual runtime, complete OAS validation or retirement deployment evidence.

Two reality checks

Deprecated=true automatically disables an endpoint.

Description warns consumers to migrate; runtime removal/denial needs separate evidence.

An OpenAPI security scheme also verifies object permissions.

Scheme declaration does not execute runtime function/object/property policy.

YOUR TURN

Work through this story.

Predict the outcome, find the evidence boundary, and explain it in your own words.

notes-v2 has inventory policyRevision=7, but runtimePolicyRevisionDeclared=6. Is delivery allowed despite true function/object/property gates?

Yes. A v2 path proves every runtime policy is current.
No. policy-mismatch with expectedBody=null.

Read the explained answer

No. policy-mismatch with expectedBody=null. — This profile requires policy revision 7. True permission gates do not approve an outdated declared policy revision.

Why do two schemes in one OpenAPI Security Requirement differ from two alternatives in the requirement array?

Selected lesson artifact fields; teaching example

securitySemantics.sameObjectAllSchemes: {"requirements":["scheme-A","scheme-B"],"operator":"AND"}
securitySemantics.arrayAlternatives: {"requirements":["requirement-A","requirement-B"],"operator":"OR"}
securitySemantics.emptyRequirementObject: {"representation":{},"anonymousAlternative":true}

One object requires all schemes; the array permits one alternative.
Only the first scheme applies everywhere; other fields are comments.

Read the explained answer

One object requires all schemes; the array permits one alternative. — sameObjectAllSchemes uses AND; arrayAlternatives uses OR. An empty requirement object can describe an anonymous alternative; description is not runtime enforcement.

Inventory marks notes-v1 retired with no fixture delivery. Why do a deprecated label or missing access logs not prove the endpoint was removed?

Read the explained answer

Inventory exposes ownership, environment, version, contract and retirement decisions. This fixture denies delivery for the retired entry; deployment removal needs independent observation. A deprecated field does not automatically disable the endpoint. Missing access logs do not prove no requests or no reachability. Schema validation checks shape while function/object/property permission remains separate.

□ I did not treat a retirement entry as deployment-removal evidence.

□ I did not treat missing logs or valid schema as authorization enforcement.

Open the application console · request / response / browser

Also open request, URL, cookie and DOM examples

Sources and scope

OWASP API9:2023 — Improper Inventory ManagementIs the API Vulnerable?: host purpose/environment/version/retirement and data-flow blindspots; How To Prevent: hosts/integrated-service inventory, documentation and exposed-version protections
OpenAPI Specification v3.2.1 (10 September 2026)§4.1.1 openapi versus info.version; §4.10.1 operationId/deprecated/security override; §4.30 Security Requirement Object: alternatives OR, multiple schemes AND, empty object anonymous
OWASP API1:2023 — Broken Object Level AuthorizationIs the API Vulnerable?: requested action on requested object; object versus function distinction; How To Prevent: per-record policy checks
OWASP API3:2023 — Broken Object Property Level AuthorizationIs the API Vulnerable?: read/write properties; How To Prevent: explicit property selection, avoid generic input binding, update allowlist and response schema
OWASP API5:2023 — Broken Function Level AuthorizationIs the API Vulnerable?: business function not inferred from path; How To Prevent: explicit function grants and shared deny-default enforcement

YOUR NOTES / THIS BROWSER

API inventory and authorization contracts

1. Core · Mechanism

Bound contract

Retired version

Policy drift

Unknown version

Which deployment does the API contract describe?

Description and authorization are separate layers

Version drift is an evidence question

2. Red · Trust & Impact

Version retired

Policy drift

Treating the documented route as the whole surface

Mistaking contract validity for business permission

3. Blue · Secure development & defense

Inventory missing

Security logic

Reconcile inventory with runtime evidence

Connect version controls to migration decisions

Which runtime outcomes are not proved by a version or security declaration?

Two reality checks

notes-v2 has inventory policyRevision=7, but runtimePolicyRevisionDeclared=6. Is delivery allowed despite true function/object/property gates?

Why do two schemes in one OpenAPI Security Requirement differ from two alternatives in the requirement array?

Inventory marks notes-v1 retired with no fixture delivery. Why do a deprecated label or missing access logs not prove the endpoint was removed?

Sources and scope