The Update Dialect API from WritersLogic Verifiable AI Agent Hub — 1 operation(s) for update dialect.
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openapi: 3.2.0
info:
title: WritersLogic Verifiable AI Agent Hub Update Dialect 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: Update Dialect
paths:
/api/v1/update-dialect:
post:
operationId: update_dialect
summary: What do omitted, null, [] and "" mean in this PATCH body under merge-patch…
description: 'For an agent about to send a PATCH or update body: states, per field, what omitted / null / [] / "" mean under the declared dialect (RFC 7396 merge patch, RFC 6902 JSON Patch, or caller-declared semantics) and checks the body against stated intents such as ''clear this field'', ''leave this alone'' or ''set to empty array''. With a target document it applies the patch and compares the result; without one it reasons about the patch alone and says when an intent cannot be verified. Does not know which dialect a given API uses: the caller declares it. Merge patch cannot store a null (null deletes); JSON Patch can.
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/update-dialect
security:
- x402: []
- apiKey: []
requestBody:
required: true
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- dialect
- payload
properties:
dialect:
type: string
enum:
- merge-patch
- json-patch
- caller
description: merge-patch = RFC 7396, json-patch = RFC 6902 (payload is an array of operations), caller = semantics in callerSemantics.
payload:
description: The PATCH body.
target:
description: Current document, if available. Enables applying the patch and exact checks.
intents:
type: array
maxItems: 100
items:
type: object
additionalProperties: false
required:
- path
- expect
properties:
path:
type: string
maxLength: 300
description: JSON Pointer into the document.
expect:
type: string
enum:
- unchanged
- absent
- 'null'
- empty-array
- empty-string
- value
value:
description: Required when expect is 'value'.
callerSemantics:
type: object
additionalProperties: false
description: 'Required when dialect is ''caller'': what each payload form means in that API.'
required:
- omitted
- 'null'
- emptyArray
- emptyString
properties:
omitted:
type: string
enum:
- keep
- clear
'null':
type: string
enum:
- clear
- set-null
- keep
- invalid
emptyArray:
type: string
enum:
- clear
- replace
- keep
emptyString:
type: string
enum:
- clear
- set
- keep
example:
dialect: merge-patch
payload:
nickname: null
tags: []
intents:
- path: /nickname
expect: 'null'
- path: /email
expect: unchanged
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.'
effects:
type: array
description: At most 500 listed, in payload order.
items:
type: object
properties:
path:
type: string
form:
type: string
meaning:
type: string
effectCount:
type: integer
description: Total effects found, which can exceed the number listed.
verdicts:
type: array
items:
type: object
properties:
path:
type: string
expect:
type: string
verdict:
type: string
enum:
- satisfied
- violated
- unverifiable
detail:
type: string
applied:
description: The document after applying the patch; present only when a target was given and the patch applied.
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:
- Update Dialect
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