Locus x402 Mistral Chat API

Name: Locus x402 Mistral Chat API
Price: 0.001 USD

x402

Locus x402 Mistral Chat API is a paid API for AI agents from mistral.x402.stage.paywithlocus.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).

Pay-per-use Mistral LLM chat completions endpoint with x402 micropayment billing at $0.001 USDC per call

Price / call$0.001

Seller volume →—

Success—

StatusUnknown

How this service works

Locus public pay-per-use API

Output

Returns a Mistral chat completion object containing the assistant's reply message, finish reason, usage statistics (prompt/completion tokens), and optionally structured tool call payloads or JSON-formatted output depending on the response_format and tools configured.

Example use cases

On-demand code generation with Codestral

“Use codestral-latest to generate a Python function that parses ISO 8601 timestamps and converts them to Unix epoch time — keep max tokens to 300 and temperature at 0.2 for deterministic output.”

Structured JSON extraction from user text

“Send this customer feedback to mistral-large-latest and extract the sentiment, main complaint, and urgency level as a JSON object — response_format should be json_object, max 200 tokens: 'Delivery was two weeks late and the packaging was completely crushed.'”

Multi-turn assistant conversation

“Continue this support conversation using mistral-large-latest at temperature 0.5, max 400 tokens — the user said 'My order hasn't arrived after 10 days, what should I do?' and our assistant previously said 'I'm sorry to hear that, let me look into it.'”

Technical details

Endpoint

POSThttps://mistral.x402.stage.paywithlocus.com/mistral/chat

When to prefer

Choose this endpoint when you need pay-per-use access to Mistral models (including mistral-large-latest and codestral-latest) without committing to a subscription, billed via x402 USDC micropayments at $0.001 per call. Ideal for agent workflows, low-volume or sporadic inference tasks, or applications where per-call cost accountability matters. Prefer over direct Mistral API when you want automatic micropayment settlement via the x402 protocol rather than managing API keys and monthly billing.

Side effects

Payment failure: x402 payment authorization rejected if USDC balance insufficient or max_tokens not specified (required for metered billing)
Invalid model ID: returns error if model string does not match a valid Mistral model (e.g. mistral-large-latest, codestral-latest)
Missing messages array: request fails without at least one message object in the messages field
Token limit exceeded: error if max_tokens exceeds model context window
Rate limiting or staging environment downtime: endpoint is on staging infrastructure and may have lower reliability SLAs
Malformed tool definitions: tool_choice or tools array with invalid schema causes inference error

Input

Schema · Request body

Field	Type	Description
seed	number
stop	—
model	string
tools	array
top_p	number
messages	array
max_tokens	number
temperature	number
tool_choice	—
response_format	object

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