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Synapse Random Joke API
x402
Synapse Random Joke API is a paid API for AI agents from anibalb.duckdns.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-31).
Returns a random joke with its text and category, paid per call via x402/USDC on Base
Price / call$0.001
Success—
StatusUnknown
How this service works
Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.
Output
A JSON object containing a 'joke' field with the full joke text and a 'category' field indicating the joke's type (e.g. 'tech'), returned immediately upon payment.
Example use cases
Slack bot daily icebreaker
“Fetch a random joke I can post in our team Slack channel to kick off the morning standup.”
Chatbot personality injection
“I'm building a chatbot and want it to occasionally tell a joke — grab me a random one to test it out.”
Entertainment app content filler
“My app needs a joke to show users on the home screen — can you get a random one for me right now?”
Technical details
Endpoint
GEThttps://anibalb.duckdns.org/x402/random-joke?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, no-auth, pay-per-call joke delivery with no account setup — ideal for agents that want to inject humor into responses occasionally without managing API keys or subscriptions. Best when you need a quick single joke with a category label.
Side effects
- Payment not received or insufficient USDC balance — returns 402 Payment Required
- Network timeout or service unavailability on duckdns host — returns 5xx error
- Malformed request method (e.g. POST instead of GET) — returns 405 Method Not Allowed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"joke": "Why do programmers prefer dark mode? Because light attracts bugs.",
"category": "tech"
}
}Tags
x402
Reviews
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