Add API: TextAI - Pay-per-use text processing with USDC payments on Solana

[mokchou]

API Submission: TextAI

Field	Value
Name	TextAI
URL	https://textai-api.overtek.deno.net
Category	Text Analysis
Auth	API Key
HTTPS	Yes
CORS	Yes
Description	Pay-per-use REST API: summarize text, extract keywords, translate. No subscription — buy credits with USDC on Solana (1 USDC = 1000 credits). Free 100-credit demo key on signup.

Note: Submitting via issue because the web form's URL validator has a bug (extra / in new RegExp()) that always rejects valid URLs.