Yes. Claude API is free: add it to your Claude Market library, no bank card needed.

How do I install Claude API in Claude?

Get the skill folder (the one containing SKILL.md) from its repository, zip it, then upload the .zip in Claude: Settings › Capabilities, Skills section.

Does Claude API work with Claude Code?

Yes. Unzip the skill into the ~/.claude/skills folder, then restart Claude Code.

Is Claude API an official Anthropic product?

No. Claude API is a public project; this listing was created by Claude Market from its repository and the product is not hosted here. Claude Market is an independent project, not affiliated with Anthropic.

Claude API

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Listing created by Claude Market from the project’s public repository. Not hosted here.Is this your project? Claim this listing ›

Claude API and Anthropic SDK reference: models, pricing, tools, caching, streaming.

All reviews:: No reviews
Release date:: 4 November 2026
Creator:: Public project (github.com)
Type:: Skill

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About Claude API

This skill gives Claude an up-to-date reference for the Claude API and Anthropic SDKs: model identifiers, pricing, parameters, streaming, tool use, MCP, agents, prompt caching, token counting and model migration, read before writing code that calls Claude.

Details

Updated:: 12 November 2026
License:: Apache-2.0
Verification:: Not verified
Repository:: github.com/anthropics/skills/tree/main/skills/claude-api

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What it can do

The creator has not described the access yet.

Install Claude API in Claude

A skill teaches Claude a method or know-how. Once imported, Claude uses it on its own when your request fits. It takes about two minutes.

Get the skill from GitHubOpen the repository (link below), download the skill folder (the one containing SKILL.md) and zip it.
Import it into ClaudeIn Claude, open Settings › Capabilities, Skills section, then upload the .zip file.
Use itAsk as usual: Claude turns the skill on when it needs it.

See the repository

With Claude CodeUnzip the .zip into the ~/.claude/skills/ folder (or .claude/skills/ in your project), then restart Claude Code.

Before adding a product, read its permissions above. You can remove a connector or skill at any time in Claude’s settings.

Claude API: frequently asked questions

Is Claude API free?: Yes. Claude API is free: add it to your Claude Market library, no bank card needed.
How do I install Claude API in Claude?: Get the skill folder (the one containing SKILL.md) from its repository, zip it, then upload the .zip in Claude: Settings › Capabilities, Skills section.
Does Claude API work with Claude Code?: Yes. Unzip the skill into the ~/.claude/skills folder, then restart Claude Code.
Is Claude API an official Anthropic product?: No. Claude API is a public project; this listing was created by Claude Market from its repository and the product is not hosted here. Claude Market is an independent project, not affiliated with Anthropic.

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