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Anthropic Messages API

AnthropicPay-as-you-go (per token)

API Description

API for Claude 3.5 Sonnet, Claude 3.5 Haiku, and Claude 3 Opus. Known for exceptional reasoning, large context windows (200k+ tokens), and tool/function execution.

Integration & Documentation

Read the official API documentation to implement endpoint calls in your application:

https://docs.anthropic.com/en/api/getting-startedView Docs

Category

Text Generation

Tags

claude reasoning agentic anthropic
Added on: 6/7/2026