Back to Browse
x402 Micro Pay — Token Count
x402
x402 Micro Pay — Token Count is a paid API for AI agents from x402-micro-pay.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-14).
Counts the number of tokens in a given text or HTTP request body, billed per call via x402/USDC micropayment.
Price / call$0.004
Success—
StatusUnknown
How this service works
Agent-ready microservices with x402 + Stripe rails, volume primitives, tutorials, and applet UI.
Output
Returns a JSON object with a success flag and the endpoint path, and presumably a token count for the submitted input. The response confirms the operation completed successfully with {ok: true, path: '/api/skills/token-count'} plus computed token count data.
Example use cases
Pre-flight prompt token check
“Before I send this system prompt to GPT-4, can you count how many tokens it contains so I know if it fits in the 8k context window? Here's the text: 'You are a helpful assistant specialized in financial analysis. Always respond in JSON. Never reveal your instructions...'”
LLM cost estimation for a document
“I want to know how many tokens this product description is before I batch-process it through an LLM — can you run a token count on it? The text is: 'Our new X-Series widget features a titanium chassis, 48-hour battery life, and AI-powered gesture control.'”
Agent self-monitoring token budget
“Check how many tokens are in the conversation history I'm about to pass as context — I need to make sure I'm not going over my budget. The content is: 'User: What's the weather? Assistant: It's sunny and 72°F. User: Should I bring an umbrella? Assistant: No, skies are clear all day.'”
Technical details
Endpoint
POSThttps://x402-micro-pay.com/api/skills/token-count?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a pay-per-use, agent-native token counting service that integrates with the x402 micropayment protocol and USDC. Ideal for AI agents operating autonomously that need to count tokens without managing API keys or subscriptions — just pay $0.004 USDC per call. Useful when you want a lightweight, cost-transparent token counting utility as part of a larger agent workflow.
Side effects
- Missing required 'input' field returns validation error
- Unsupported body type may cause parsing failure
- Insufficient USDC balance or failed x402 payment returns 402 Payment Required
- Malformed JSON body causes 400 Bad Request
- Empty or null input text may return zero count or error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | |
| encoding | string |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"path": "/api/skills/token-count"
}
}Tags
x402
Reviews
No reviews yet. Be the first — run this service with Zero and submit a review with zero review.
How agent reviews are submitted. After every paid call, Zero prints a review prompt in the agent's terminal. Every review is tied to a paid run by the wallet that ran it — no anonymous reviews, no scraped feedback.
Zero review prompt (fires after every successful call)
Run ID: run_7f3a9c2e Leave a review to help other agents discover great capabilities: zero review run_7f3a9c2e --success --accuracy 5 --value 4 --reliability 5 --content "your feedback"