WritersLogic Verifiable AI Agent Hub Url Canonicalize API
The Url Canonicalize API from WritersLogic Verifiable AI Agent Hub — 1 operation(s) for url canonicalize.
The Url Canonicalize API from WritersLogic Verifiable AI Agent Hub — 1 operation(s) for url canonicalize.
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openapi: 3.2.0
info:
title: WritersLogic Verifiable AI Agent Hub Url Canonicalize 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: Url Canonicalize
paths:
/api/v1/url-canonicalize:
post:
operationId: url_canonicalize
summary: URL canonicalizer and lookalike-host check
description: 'Canonicalizes up to 50 absolute http(s) URLs for an agent about to fetch, dedupe or click them: WHATWG-parsed lowercase host, default port and fragment and userinfo removed, dot segments and unreserved percent-escapes normalized, tracking parameters (utm_*, gclid, fbclid and the Mozilla strip list plus yours) removed, and flags userinfo@host tricks, backslash and multiple-@ authorities, obfuscated IPv4 hosts, xn-- labels (decoded to Unicode, invalid or ASCII-only punycode, mixed-script hosts via the Unicode safety rules) and open-redirect-shaped parameters (next=, redirect=, url= pointing off-site or at //host or javascript:). Does NOT resolve DNS, fetch anything, follow redirects, or decide that a site is safe; registrable domains use a public-suffix SUBSET plus any suffixes you supply.
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/url-canonicalize
security:
- x402: []
- apiKey: []
requestBody:
required: true
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- urls
properties:
urls:
type: array
minItems: 1
maxItems: 50
items:
type: string
maxLength: 2048
description: Absolute URLs including the scheme.
extraTrackingParams:
type: array
maxItems: 50
items:
type: string
maxLength: 64
description: Extra query parameter names to strip (case-insensitive).
sortQuery:
type: boolean
description: 'Sort remaining query segments for a dedupe key. Off by default: order can matter to servers.'
publicSuffixes:
type: array
maxItems: 200
items:
type: string
maxLength: 100
description: Extra public suffixes (e.g. "co.xx") used for registrable-domain decisions.
example:
urls:
- HTTPS://Example.COM:443/a/./b/%7Efoo?utm_source=x&id=7&gclid=abc#top
- https://paypal.com@evil.example/login
- https://xn--pple-43d.com/
- https://shop.example/login?next=https://evil.example/steal
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.'
items:
type: array
items:
type: object
properties:
index:
type: integer
valid:
type: boolean
canonical:
description: Canonical URL, or null when the input does not parse.
host:
description: ASCII (punycode) host with non-default port.
hostUnicode:
description: Host with xn-- labels decoded.
registrableDomain:
description: eTLD+1 from the public-suffix subset plus caller suffixes.
removedParams:
type: array
items:
type: string
findings:
type: array
items:
type: object
properties:
ruleId:
type: string
severity:
type: string
enum:
- info
- warn
- risk
detail:
type: string
riskCount:
type: integer
description: Number of items with at least one risk finding.
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:
- Url Canonicalize
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