Rate limits
| Plan | Calls a minute | Words a call | Calls a month |
|---|---|---|---|
| Free | 10 | 2,000 | 1,000 |
| Pay as you go | 300 | 12,000 | No cap |
Headers
Every call returns x-ratelimit-limit and x-ratelimit-remaining for the minute, and on the free
plan x-quota-limit and x-quota-remaining for the month. A 429 carries retry-after in
seconds. Back off until then; minute limits reset each minute.