ENABLE_PROMPT_CACHING_1H_BEDROCK
Updated by Alex Sorokoletov
ENABLE_PROMPT_CACHING_1H_BEDROCK is a Claude Code environment variable: Enable 1-hour prompt caching on Bedrock. Its release history is not tracked here. It is listed in the official reference.
| Status | Present in v2.1.294 |
|---|---|
| Category | Cloud providers |
| Official docs | Listed |
How to set it
For one session, export it in the shell that starts Claude Code:
export ENABLE_PROMPT_CACHING_1H_BEDROCK=<value>
claudeTo apply it to every session, add it to the env object of a settings file:
// ~/.claude/settings.json
{
"env": {
"ENABLE_PROMPT_CACHING_1H_BEDROCK": "<value>"
}
}Release notes that mention it
- Claude Code v2.1.114 — Native Binary Launcher, /fewer-permission-prompts, and 20 New Environment Variables
- Claude Code v2.1.108 — 4 New Environment Variables: REPL Variants, Skill Discovery, and the Limits Reckoning
Related variables
CLAUDE_ENABLE_BYTE_WATCHDOG_BEDROCK: Enable the byte watchdog on Bedrock connections.ANTHROPIC_BEDROCK_BASE_URL: Alternative Bedrock endpoint (alias).ANTHROPIC_BEDROCK_MANTLE_BASE_URLANTHROPIC_BEDROCK_REGION_PREFIXANTHROPIC_BEDROCK_SERVICE_TIERAWS_BEARER_TOKEN_BEDROCK: Bearer token for Bedrock authentication.CLAUDE_CODE_DISABLE_BEDROCK_CONTENT_TYPE_DEFAULTCLAUDE_CODE_DISABLE_BEDROCK_CONTENT_TYPE_GUARD
Frequently asked questions
What does ENABLE_PROMPT_CACHING_1H_BEDROCK do?
Enable 1-hour prompt caching on Bedrock
Which Claude Code version has ENABLE_PROMPT_CACHING_1H_BEDROCK?
Its release history is not tracked here.
How do I set ENABLE_PROMPT_CACHING_1H_BEDROCK?
Export it before starting Claude Code (export ENABLE_PROMPT_CACHING_1H_BEDROCK=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.
All variables, searchable: Claude Code environment variables.