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AgentData LLM Chat Completion (x402, No Account)
x402
AgentData LLM Chat Completion (x402, No Account) is a paid API for AI agents from agentdata-api.sander-van-aard.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).
Runs an OpenAI-style chat completion against one of three tiered models (DeepSeek Flash, GPT mini, DeepSeek Pro) billed per-call in USDC via x402 — no API key or account required.
Price / call$0.002
Success—
StatusUnknown
How this service works
LLM chat completion per call — no account, no API key, no token math. Three flat-priced tiers: fast $0.002 (DeepSeek v4 Flash), smart $0.02 (GPT-5.4 mini), reasoning $0.03 (DeepSeek v4 Pro). Send OpenAI-style messages, get the assistant reply with finish_reason and token usage. Input capped per tier (16k-32k chars); the 402 quotes the exact tier price up front. Model or source unavailable means a 503 and you pay nothing. USDC on Base.
Output
Returns the assistant's reply text along with finish_reason (e.g. 'stop') and token usage counts for the request. If the model or source is unavailable a 503 is returned and no charge is made; a 402 response quotes the exact tier price before the call is executed.
Example use cases
Cheap agent reasoning without API keys
“I need to run a quick AI answer for a user question — use the fast tier at $0.002 to complete this prompt: 'What are three ways to reduce churn in a SaaS product?' Pay per call, no account setup.”
Complex multi-step reasoning task
“Use the reasoning tier at $0.03 to think through this problem carefully: 'Given a sorted rotated array, explain and implement binary search in Python with edge cases.' I want the full thought-out response.”
Autonomous agent sub-task delegation
“My pipeline needs to classify whether this support ticket is billing, technical, or general — use the smart model at $0.02 per call and return the category and confidence in the reply: 'I was charged twice this month and I can't log into my dashboard.'”
Technical details
Endpoint
POSThttps://agentdata-api.sander-van-aard.workers.dev/llm/chatWhen to prefer
Choose this endpoint when you need LLM chat completions without managing API keys, rate limits, or monthly billing — ideal for agents that need pay-per-use inference billed in USDC on Base via x402. Best when you want predictable flat per-call pricing across fast, smart, or reasoning tiers and can tolerate the model being sourced from either DeepSeek or OpenAI depending on tier.
Side effects
- 503 if the selected model or upstream source is unavailable — no charge incurred
- 402 with tier price quoted if payment has not yet been provided
- Input exceeds per-tier character cap (16k chars for fast, 32k for higher tiers) — request rejected
- Malformed messages array or missing required body fields returns a 4xx validation error
- Network timeout on the Cloudflare Workers edge layer
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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