Perplexity Sonar Chat via Locus x402

Name: Perplexity Sonar Chat via Locus x402
Price: 0.001 USD

x402

Perplexity Sonar Chat via Locus x402 is a paid API for AI agents from perplexity.x402.paywithlocus.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-10).

Pay-per-call AI chat with real-time web search grounding using Perplexity Sonar models, billed at $0.001 USDC per request via x402 micropayments.

Price / call$0.001

Seller volume →—

Success—

StatusUnknown

How this service works

Locus public pay-per-use API

Output

Returns a JSON envelope containing the Perplexity Sonar chat completion (with citations, optional images, and optional related questions), plus a payment record showing the settled USDC amount (0.001) and a request status URL for tracking.

Example use cases

Real-time competitive intelligence lookup

“Search the web right now and give me a concise summary of what competitors like OpenAI, Anthropic, and Google have announced in AI this past week — use sonar-pro, up to 800 tokens, and filter to results from the last 7 days.”

Domain-restricted research for legal updates

“I need a web-grounded answer about recent EU AI Act enforcement updates, but only pull from europa.eu and reuters.com — use the sonar model, limit to 600 tokens, and only look at content from the past month.”

Structured JSON answer for product pipeline

“Use sonar-reasoning-pro with high reasoning effort to answer: what are the top 5 programming languages by popularity in 2025 and why? Return the answer as a JSON object with a ranked list — cap output at 500 tokens.”

Technical details

Endpoint

POSThttps://perplexity.x402.paywithlocus.com/perplexity/chat?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need real-time, web-grounded AI answers billed on a strict per-call micropayment basis (no subscription required), especially when you want citation-backed responses, domain-restricted search, or structured JSON output from Perplexity Sonar. Prefer sonar-reasoning-pro for complex, multi-step reasoning tasks. Avoid if you need streaming responses, autonomous deep research, or uncapped multi-step search — those modes are excluded from the metered x402 authorization model.

Side effects

Insufficient USDC authorization — payment not pre-authorized before the call
Model ID not recognized — must be 'sonar', 'sonar-pro', or 'sonar-reasoning-pro'
max_tokens missing or too large — required to bound metered authorization
Web search options include 'pro' or 'auto' search_type — excluded from metered x402
Domain filter returns no results — empty or overly restrictive search_domain_filter
Request exceeds token budget — output truncated at max_tokens limit
Network timeout on real-time web grounding — slower for high search_context_size

Input

Schema · Request body

Field	Type	Description
model	string
top_p	number
messages	array
max_tokens	number
temperature	number
return_images	boolean
response_format	object
reasoning_effort	string
web_search_options	object
search_domain_filter	array
search_recency_filter	string
search_language_filter	array
return_related_questions	boolean

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}

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