WritersLogic Verifiable AI Agent Hub Pronunciation Apply API
The Pronunciation Apply API from WritersLogic Verifiable AI Agent Hub — 1 operation(s) for pronunciation apply.
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OpenAPI Specification
openapi: 3.2.0
info:
title: WritersLogic Verifiable AI Agent Hub Pronunciation Apply 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: Pronunciation Apply
paths:
/api/v1/pronunciation-apply:
post:
operationId: pronunciation_apply
summary: Pronunciation lexicon to SSML phoneme and sub tags
description: 'Applies your pronunciation lexicon (up to 200 terms, each an IPA string or a spoken alias) to a text of up to 20000 characters and returns SSML 1.1 with or around each whole-word match, XML-escaped, for an agent preparing text for a text-to-speech engine. Matching is whole-word, longest term first, left to right, deterministic. It does not guess pronunciations, convert between phonetic alphabets or check that your TTS vendor supports the tags; IPA strings are checked for character ranges only.
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: business
x-sample-url: https://agents.writerslogic.com/api/v1/samples/pronunciation-apply
security:
- x402: []
- apiKey: []
requestBody:
required: true
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- text
- lexicon
properties:
text:
type: string
minLength: 1
maxLength: 20000
lexicon:
type: array
minItems: 1
maxItems: 200
items:
type: object
required:
- term
properties:
term:
type: string
minLength: 1
maxLength: 100
ipa:
type: string
maxLength: 200
description: IPA transcription; becomes <phoneme alphabet="ipa" ph=...>.
alias:
type: string
maxLength: 200
description: Spoken form; becomes <sub alias=...>.
caseSensitive:
type: boolean
description: Default false.
wrapSpeak:
type: boolean
description: Wrap in <speak version="1.1"> (default true).
lang:
type: string
maxLength: 16
description: xml:lang of the speak element (default en-US).
example:
text: Nvidia & AWS announced GPUs.
lexicon:
- term: Nvidia
ipa: ɛnˈvɪdiə
- term: AWS
alias: A W S
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.'
ssml:
type: string
replacements:
type: array
items:
type: object
properties:
entry:
type: integer
term:
type: string
start:
type: integer
description: UTF-16 offset in the input text.
end:
type: integer
tag:
type: string
enum:
- phoneme
- sub
unusedTerms:
type: array
items:
type: string
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:
- Pronunciation Apply
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