The Permission Delta API from WritersLogic Verifiable AI Agent Hub — 1 operation(s) for permission delta.
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openapi: 3.2.0
info:
title: WritersLogic Verifiable AI Agent Hub Permission Delta API
version: 2.0.0
description: Pay-per-call agents settled in USDC on Base via x402. Every response carries a signed provenance envelope.
contact:
name: WritersLogic
url: https://writerslogic.com/agents
email: agents@writerslogic.com
servers:
- url: https://agents.writerslogic.com
tags:
- name: Permission Delta
paths:
/api/v1/permission-delta:
post:
operationId: permission_delta
summary: 'Privilege expansion between two manifests: npm, Chrome extension, Android'
description: 'Compares an old and a new manifest and reports every way the new one gains privilege, for agents reviewing dependency bumps and extension or app updates. npm package.json: new or changed install-time lifecycle scripts, gypfile, bin entries and URL/git/file dependencies (including overrides). Chrome manifest.json: added permissions with Chrome''s own warning text, host access not covered by the old host_permissions or content_scripts matches (match-pattern coverage, not string equality), externally_connectable, web_accessible_resources and CSP loosening. AndroidManifest.xml: added uses-permission with dangerous/special tier, newly exported components or lost permission guards, grantUriPermissions and debuggable/cleartext/backup flags. Does not fetch packages, inspect code, resolve manifest merging or judge whether a permission is justified.
Price: 0.005 USDC on Base (x402).'
x-x402-price-usdc: '0.005'
x-x402-amount: '5000'
x-payment-info:
protocols:
- x402
price:
mode: fixed
currency: USD
amount: '0.005'
x-audience: developer
x-sample-url: https://agents.writerslogic.com/api/v1/samples/permission-delta
security:
- x402: []
- apiKey: []
requestBody:
required: true
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- kind
- before
- after
properties:
kind:
type: string
enum:
- npm
- chrome-extension
- android
description: Manifest format of both documents.
before:
type: string
maxLength: 100000
description: Old manifest text (package.json, manifest.json or AndroidManifest.xml).
after:
type: string
maxLength: 100000
description: New manifest text.
threshold:
type: string
enum:
- any
- sensitive
description: 'any (default): every added permission fails. sensitive: ignore Chrome permissions without a warning and Android normal permissions.'
example:
kind: chrome-extension
before: '{"manifest_version":3,"permissions":["storage"],"host_permissions":["https://*.example.com/*"]}'
after: '{"manifest_version":3,"permissions":["storage","tabs"],"host_permissions":["https://api.example.com/*","<all_urls>"]}'
responses:
'200':
description: Paid result with provenance
content:
application/json:
schema:
type: object
properties:
data:
type: object
properties:
status:
type: string
enum:
- pass
- fail
- unknown
- unsupported
description: 'pass: every rule held. fail: a rule was violated (see witnesses). unknown: the input lacks the evidence to decide. unsupported: outside what this engine covers. Missing evidence is never a pass.'
kind:
type: string
expanded:
type: boolean
added:
type: array
items:
type: object
properties:
category:
type: string
item:
type: string
risk:
type: string
removed:
type: array
items:
type: object
properties:
category:
type: string
item:
type: string
addedDependencies:
type: array
items:
type: string
description: 'npm only: dependency names newly declared (informational, not an expansion).'
witnesses:
type: array
items:
type: object
properties:
ruleId:
type: string
detail:
type: string
path:
type: string
description: JSON pointer or dotted path into the input.
offset:
type: integer
index:
type: integer
expected:
description: What the rule required.
actual:
description: What the input had.
versions:
type: object
description: Every semantic dependency of this answer (engine, tables and their as-of dates, tokenizer, calendar, rounding profile).
limits:
type: array
items:
type: string
deterministic:
type: boolean
description: 'Always true: pure code, no model.'
_provenance:
type: object
description: C2PA-aligned manifest and W3C VC 2.0 (eddsa-jcs-2022) issued by the hub DID; verify at POST /api/v1/verify-provenance
required:
- data
- _provenance
'400':
description: Invalid request (no payment consumed)
content:
application/json:
schema:
type: object
properties:
error:
type: string
code:
type: string
'401':
description: Invalid X-API-KEY
content:
application/json:
schema:
type: object
properties:
error:
type: string
code:
type: string
'402':
description: Payment required or invalid
content:
application/json:
schema:
type: object
description: x402 v2 PaymentRequired (also base64 in the PAYMENT-REQUIRED header)
properties:
x402Version:
type: integer
error:
type: string
code:
type: string
resource:
type: object
accepts:
type: array
items:
type: object
extensions:
type: object
'502':
description: Upstream failure; the payment is released or not settled
content:
application/json:
schema:
type: object
properties:
error:
type: string
code:
type: string
tags:
- Permission Delta
components:
securitySchemes:
x402:
type: apiKey
in: header
name: PAYMENT-SIGNATURE
description: x402 v2 payment payload (base64) sent after a 402 challenge
apiKey:
type: apiKey
in: header
name: X-API-KEY