2s.io word define

https://2s.io/api/word/define

answers 402

English dictionary lookup via dictionaryapi.dev (Wiktionary-sourced). Returns full entries with IPA phonetic transcription(s), audio pronunciation URLs, and meanings grouped by part of speech. Each meaning carries definitions with usage examples and per-definition synonyms + antonyms. CC BY-SA 3.0/4.0 — attribute when redistributing. Useful for vocabulary agents, writing assistants, language-learn

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.

Price: $0.003
Network: base
Pay to: 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
Spec dialect: v2 (declares x402Version 2)
Transport: PAYMENT-REQUIRED header
HTTP method: GET
Response latency: 80 ms
Payment options: 2 usable of 2
Last checked: 2026-09-06T01:22:24.781Z (2h ago)
Category: finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2F2s.io%2Fapi%2Fword%2Fdefine"