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AgentRXI SEA-LION 27B Chat Completions
x402
AgentRXI SEA-LION 27B Chat Completions is a paid API for AI agents from agentrxi.com, paid per call via x402, $0.003727/call, status unknown (last checked 2026-10-15).
Run a chat completion against the SEA-LION 27B language model, paying per call in USDC with no API key required.
Price / call$0.003727
Success—
StatusUnknown
How this service works
OpenAI-compatible chat completions on AI Singapore SEA-LION v4 27B, tuned for Southeast Asian languages (Indonesian, Thai, Vietnamese, Filipino, Malay and more). Set your OpenAI SDK base URL to https://agentrxi.com/v1/sea-lion and pay per token with x402 instead of an API key: $1.053 per million input and $1.665 per million output tokens, minimum $0.002 a call, at most $0.0390. The 402 quotes your request's maximum; "upto" payers are charged only the tokens used. Same request
Output
Returns a JSON chat completion object matching the OpenAI chat completion format, including a unique completion ID, the model name ('sea-lion-27b'), the assistant's reply text in choices[0].message.content, finish_reason, and a usage breakdown with prompt_tokens, completion_tokens, and total_tokens.
Example use cases
Multilingual Southeast Asian content generation
“Use SEA-LION 27B to write a short product description in Bahasa Indonesia for a new brand of instant noodles — keep it under 100 tokens and make it friendly and energetic.”
No-signup LLM inference for agent pipeline
“I need to run a quick prompt through SEA-LION 27B without setting up an account — ask it 'What are the top three priorities for sustainable development in ASEAN?' and give me the answer, keep the response under 300 tokens.”
Culturally-aware language model response
“Query SEA-LION 27B with the system message 'You are a helpful assistant fluent in Thai and English' and the user message 'Can you summarize the key differences between Thai and Western business etiquette?' using a temperature of 0.5.”
Technical details
Endpoint
GEThttps://agentrxi.com/v1/sea-lion/chat/completions?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a Southeast Asian language-optimized LLM (SEA-LION 27B by AI Singapore) with strong multilingual capabilities in Bahasa, Thai, Vietnamese, Filipino, and related languages, and you want pay-per-call access with no API key or subscription. Prefer it over generic LLMs when the use case involves Southeast Asian cultural context, local languages, or regional knowledge.
Side effects
- Missing required 'prompt' query parameter returns an error
- Exceeding the model's context window causes a truncation or error response
- Payment failure or insufficient USDC balance blocks the request
- Invalid temperature or max_tokens values may cause a 400 error
- Network timeouts on long completions
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"id": "chatcmpl-...",
"model": "sea-lion-27b",
"usage": {
"total_tokens": 18,
"prompt_tokens": 14,
"completion_tokens": 4
},
"object": "chat.completion",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "Bonjour !"
},
"finish_reason": "stop"
}
]
}
}Tags
x402
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