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Plexa Token Safety Check
x402
Plexa Token Safety Check is a paid API for AI agents from api.getplexa.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Checks whether a token on Base can be sold by detecting on-chain exit traps such as empty liquidity pools, insufficient exit liquidity, or disabled trading gates (honeypot patterns).
Price / call$0.05
Success—
StatusUnknown
How this service works
Plexa /v1/pretrade/check — pre-trade token safety check on Base: can you still sell this token? avoid fires only on a trap proven on-chain now: no pool to exit into, an exit pot under 5% of your size, or the trading gate off (the honeypot shape). A drained pot is what a rug leaves behind — measured, not predicted. clear = no provable trap, NOT safe. Alias: same engine and price as /v1/pretrade/check.
Output
Returns structured safety flags indicating whether a provable on-chain exit trap exists: no liquidity pool to exit into, exit liquidity under 5% of the requested trade size, or trading gate disabled (honeypot). Also returns an executable quote for the specified USD size. A 'clear' result means no provable trap was detected — not a guarantee of safety.
Example use cases
Pre-buy honeypot check on Base
“I'm about to buy this Base token at 0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed — can you check if it's a honeypot or if there's no way to sell it once I'm in? My position would be around $500.”
DeFi bot pre-trade gate
“My trading bot is about to execute a $10000 buy of 0xd9aAEc86B65D86f6A7B5B1b0c42FFA531710b6CA on Base — run a pre-trade token safety check first to confirm I can exit and the trading gate isn't locked.”
Rug pull detection for new token
“This new token just launched on Base at address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 — can you check if the liquidity pool is already drained or if trading is disabled so I don't get rugged on a $250 buy?”
Technical details
Endpoint
POSThttps://api.getplexa.com/v1/token-safetyWhen to prefer
Use this endpoint when an AI agent or trading bot needs to verify on-chain exit conditions for a Base ERC-20 token before executing a buy, especially to detect honeypots, drained liquidity pools, or disabled trading gates. Prefer this over general token analytics when you need a definitive, measured (not predicted) on-chain trap check with an executable quote for a specific USD size.
Side effects
- 400 error if token address is a symbol (e.g. 'WETH') instead of a 0x hex address
- 422 error if a non-Base chain is specified (Base-tuned flags only, other chains unsupported)
- 400 error if sizeUSD uses a thousands separator like '1,000' instead of '1000'
- Token address fails 0x + 40 hex pattern validation
- Chain enum value is not exactly as specified (case-sensitive)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chain | string | Optional, default "base". One of: base | polygon | matic | arbitrum | arbitrum-one | arb | eip155:8453 | eip155:137 | eip155:42161 — case-sensitive (see `enum`). The safety flags are Base-tuned, so a non-base value currently answers 422 rather than returning Base-calibrated flags for another chain. |
| token | string | ERC-20 to vet before buying. 0x + 40 hex (see `pattern`) — a symbol like "WETH" is rejected with 400. |
| sizeUSD | string | Optional USD notional for the executable-quote sub-result, default "1000". A STRING, not a number; positive, no thousands separator ("1,000" is rejected) — see `pattern`. |
Tags
x402
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