English dictionary definitions + phonetics + examples via dictionaryapi.dev.
Free open English dictionary. Send a single word → get an array of entries, each with part-of-speech, definitions, synonyms, antonyms, pronunciation (IPA + audio URL), and example sentences. Cached 24 h at the edge per word (definitions don't move).
PRICE / CALL$0.0003
LATENCY p500ms
UPTIME 30d100%
REFUND RATE0%
CALLS · 7d0
TOOLS1 exposed
AUTHx402 · key · oauth
/ TOOL
step 1 · free. The gateway returns the x402 challenge — that's what your agent receives. step 2 (after the challenge lands): sign + pay $0.0003 to see the real response. connect wallet first to be ready for step 2.
/ PARAMS
/ REQUEST
POST /mcp/word-define/define
content-type: application/json
{
"word": "serendipity"
}
/ responseidle
// Press the button — the gateway will return a 402 challenge. Pay $0.0005 once with your wallet to see the real response.