Claude API10 min read
Claude API Pricing: Every Model Token Cost Explained
Claude API pricing per million tokens: Opus 4.8, Sonnet and Haiku rates, batch's 50% cut, prompt caching, and worked cost examples.
Claude API pricing per million tokens: Opus 4.8, Sonnet and Haiku rates, batch's 50% cut, prompt caching, and worked cost examples.
Claude API error 500 from api.anthropic.com: what api_error and 529 mean, exponential backoff with jitter, retry caps and request_id logging.
How to use Claude API from scratch: get an API key, learn the Messages request, and make your first call in curl and Python — with model and cost basics.
Claude API stream idle timeout means the SSE stream went quiet. Raise client timeouts, stop proxy buffering, keep-alive and retry with backoff.
Claude prompt caching stores a stable prompt prefix so cached reads bill at ~10% of input price — how cache_control works, the TTLs, and the gotchas.