One read of Claude Developer Platformapi-20261102T203713Z
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1-4 of 4build-with-claude/working-with-messages Changed · +1 / -1 lines
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187187
188188The Messages API is stateless, which means that you always send the full conversational history to the API. You can use this pattern to build up a conversation over time. Earlier conversational turns don’t necessarily need to actually originate from Claude. You can use synthetic `assistant` messages.
189189
190With [message threads](https://platform.claude.com/docs/en/build-with-claude/message-threads), in beta, the API can keep the conversation for a few minutes, so that each later request sends only the new messages.
190With [message threads](https://platform.claude.com/docs/en/build-with-claude/message-threads), in beta, the API can keep the conversation, so that each later request sends only the new messages. A thread expires 5 minutes after its last request and is deleted no more than 1 hour after its last use.
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192192<CodeGroup>
193193 ```bash cURL
claude_api_primer Changed · +1 / -1 lines
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7070The Messages API is stateless, which means that you always send the full conversational history to the API. You can use this pattern to build up a conversation over time. Earlier conversational turns don’t necessarily need to actually originate from Claude. You can use synthetic `assistant` messages.
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72With [message threads](https://platform.claude.com/docs/en/build-with-claude/message-threads), in beta, the API can keep the conversation for a few minutes, so that each later request sends only the new messages.
72With [message threads](https://platform.claude.com/docs/en/build-with-claude/message-threads), in beta, the API can keep the conversation, so that each later request sends only the new messages. A thread expires 5 minutes after its last request and is deleted no more than 1 hour after its last use.
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7474<CodeGroup exclude="shell:cURL, typescript, csharp, go, java, php, ruby">
7575 ```bash CLI
cli-sdks-libraries/overview Changed · +1 / -1 lines
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6161| Tool | Latest version | Package |
6262| ---------- | -------------- | ----------------------------------------------------------------------------------------------------------- |
63| ant CLI | `2.4.0` | [`github.com/anthropics/anthropic-cli`](https://github.com/anthropics/anthropic-cli/releases) |
63| ant CLI | `2.5.0` | [`github.com/anthropics/anthropic-cli`](https://github.com/anthropics/anthropic-cli/releases) |
6464| Python | `2.4.0` | [`anthropic` on PyPI](https://pypi.org/project/anthropic/) |
6565| TypeScript | `1.4.0` | [`@anthropic-ai/sdk`](https://www.npmjs.com/package/@anthropic-ai/sdk) |
6666| C# | `13.4.0` | [`Anthropic`](https://www.nuget.org/packages/Anthropic) |
managed-agents/quickstart Changed · +1 / -1 lines
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7070 For Linux environments, download the release binary directly.
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7272 ```bash
73 VERSION=2.4.0
73 VERSION=2.5.0
7474 OS=$(uname -s | tr '[:upper:]' '[:lower:]')
7575 case $(uname -m) in
7676 x86_64) ARCH=amd64 ;;