{"name":"Sales Drafter Messaging API","product":"Sales Drafter","version":"v1","contact":"hi@forgeformula.com","documentation":"https://api.forgeformula.com/openapi.json","endpoints":{"GET /":"API discovery","GET /health":"Liveness check","GET /v1":"Version discovery","POST /v1/subject-lines/optimize":"Score a subject line and return improved variants","POST /v1/messages/optimize":"Score and improve email, SMS, push, social, ad, or cold-outreach copy","POST /v1/score":"Fast deterministic score (no writing model)","GET /v1/usage":"Quota, rate limit, and usage for the calling key","POST /v1/keys/free":"Issue a free-plan key (shown once)","POST /v1/billing/checkout":"Create a Stripe Checkout Session for a paid plan","GET /v1/billing/success":"One-time reveal of the key issued after checkout","POST /v1/billing/portal":"Create a Stripe Customer Portal session"},"languages":["en","es","pt","fr","de","it","nl","pl","ru","uk","tr","ar","he","hi","bn","id","ms","vi","th","zh-Hans","zh-Hant","ja","ko","sv","ro"],"channels":["email_subject","email","sms","push","social","ad","cold_outreach"],"context":{"industry":["saas","ecommerce","finance","health","travel","education","services","gaming","realestate","nonprofit"],"audience":["cold","warm","hot"],"stage":["awareness","consideration","decision","onboarding","retention","winback"],"goal":["learn","signup","call","buy","reply","download","upgrade","refer","cart"],"tone":["friendly","professional","playful","premium","bold","calm"]},"plans":[{"id":"free","name":"Free","monthly_quota":100,"requests_per_minute":10,"monthly_usd":0,"overage":"blocked"},{"id":"starter","name":"Starter","monthly_quota":2000,"requests_per_minute":60,"monthly_usd":19,"overage":"blocked"},{"id":"pro","name":"Pro","monthly_quota":20000,"requests_per_minute":300,"monthly_usd":49,"overage":"blocked"},{"id":"scale","name":"Scale","monthly_quota":100000,"requests_per_minute":600,"monthly_usd":149,"overage":"blocked"}],"authentication":"Authorization: Bearer ff_live_…"}