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Synapse Content Moderation API
x402
Synapse Content Moderation API is a paid API for AI agents from anibalb.duckdns.org, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-31).
Analyzes text content for safety issues including NSFW, spam, toxicity, profanity, and hate speech, returning per-category scores and an overall safety flag
Price / call$0.002
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
Returns a JSON object with a boolean 'safe' field, an array of 'flags' identifying triggered categories, a 'categories' object with individual float scores for nsfw, spam, toxicity, profanity, and hate_speech (each 0–1), and an 'overall_score' summarizing the risk level.
Example use cases
User comment safety screening
“Before I allow this comment to go live on my forum — 'Buy cheap meds now!!! Click here for deals' — can you run it through content moderation and tell me if it's spam or safe?”
Flagging toxic messages in chat
“I need to check this chat message for hate speech and toxicity before it appears in the feed: 'People like you shouldn't be allowed in this country.' What does the moderation score say?”
NSFW detection for user submissions
“A user just submitted this bio for their profile: 'I love hot steamy nights and explicit encounters.' Can you analyze it for NSFW content and tell me if it's safe to display?”
Technical details
Endpoint
GEThttps://anibalb.duckdns.org/x402/moderation?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, no-account, pay-per-call content moderation check returning granular per-category scores (NSFW, spam, toxicity, profanity, hate speech) via x402 micropayment on Base. Ideal for agents that need to gate user-generated content at low volume without managing API keys or subscriptions.
Side effects
- Empty or missing input text may return a default safe result with zero scores
- Very long text inputs may be truncated or timeout
- Payment failure via x402 returns 402 status before content is analyzed
- Ambiguous or borderline content may score near threshold without clear flagging
- Non-English text may have reduced accuracy across categories
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"safe": true,
"flags": [],
"categories": {
"nsfw": 0,
"spam": 0,
"toxicity": 0,
"profanity": 0,
"hate_speech": 0
},
"overall_score": 0
}
}Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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