The Dom Recipe Match API from WritersLogic Verifiable AI Agent Hub — 1 operation(s) for dom recipe match.
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openapi: 3.2.0
info:
title: WritersLogic Verifiable AI Agent Hub Dom Recipe Match 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: Dom Recipe Match
paths:
/api/v1/dom-recipe-match:
post:
operationId: dom_recipe_match
summary: Check whether a saved interaction recipe still applies to the current version…
description: 'Compares a recipe (ordered steps naming selectors from an earlier dom-skeleton call), the saved skeleton elements those selectors came from, and the current page HTML. Per step it reports matched (same selector, same tag, type, role and name), changed (selector still exists but the element differs), moved (the same element now has a different selector, given as newSelector), ambiguous (several current elements look the same) or missing. Static HTML only, no scripts run. It does not execute the recipe or judge whether a step''s action still makes sense, and a step whose selector is not in the saved skeleton is unknown.
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: agent-infra
x-sample-url: https://agents.writerslogic.com/api/v1/samples/dom-recipe-match
security:
- x402: []
- apiKey: []
requestBody:
required: true
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- recipe
- saved
- html
properties:
recipe:
type: object
additionalProperties: false
properties:
steps:
type: array
items:
type: object
additionalProperties: false
properties:
selector:
type: string
maxLength: 500
minLength: 1
description: A selector from the saved skeleton.
action:
type: string
maxLength: 100
description: Free-form label, echoed back.
required:
- selector
maxItems: 100
minItems: 1
required:
- steps
saved:
type: array
items:
type: object
additionalProperties: false
properties:
tag:
type: string
type:
type: string
role:
type: string
name:
type: string
description: Best-effort accessible name (aria-label, aria-labelledby, label, text, placeholder, title, alt, value), at most 80 characters.
nameSource:
type: string
selector:
type: string
description: CSS selector that matches exactly this element in the supplied HTML.
selectorKind:
type: string
enum:
- id
- data-testid
- name
- aria-label
- path
href:
type: string
disabled:
type: boolean
required:
type: boolean
repeats:
type: integer
description: Elements with the same tag, type, role, name and href collapsed into this one (the first).
maxItems: 300
minItems: 1
description: elements from an earlier dom-skeleton response.
html:
type: string
maxLength: 100000
minLength: 1
description: Current page HTML.
example:
recipe:
steps:
- selector: '#u'
action: type
- selector: button[type=submit]
action: click
saved:
- tag: input
selector: '#u'
selectorKind: id
name: User
html: <form><label for="u">User</label><input id="u"></form>
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.'
steps:
type: array
items:
type: object
additionalProperties: false
properties:
index:
type: integer
selector:
type: string
action:
type: string
verdict:
type: string
enum:
- matched
- changed
- moved
- ambiguous
- missing
- unknown
newSelector:
type: string
differences:
type: array
items:
type: string
maxItems: 6
maxItems: 100
currentElements:
type: integer
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:
- Dom Recipe Match
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