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Retrieve a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/retrieve …ameters - `message_batch_id: string` ID of the Message Batch. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Count tokens in a Message Claude Developer Platform · in the page api/beta/messages/count_tokens ….com/docs/en/build-with-claude/token-counting?sdk_languages=http) ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Create a Message Claude Developer Platform · in the page api/beta/messages/create …tps://platform.claude.com/docs/en/get-started?sdk_languages=http) ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Models Claude Developer Platform · in the page api/beta/models …es from `1` to `1000`. default: 20, minimum: 1, maximum: 1000 ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… List Models Claude Developer Platform · in the page api/beta/models/list …ges from `1` to `1000`. default: 20, minimum: 1, maximum: 1000 ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get a Model Claude Developer Platform · in the page api/beta/models/retrieve …th parameters - `model_id: string` Model identifier or alias. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Organization Claude Developer Platform · in the page api/beta/organization …bout the organization associated with the authenticated API key. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Analytics Claude Developer Platform · in the page api/beta/organization/analytics …` is currently always null, so there is never a cursor to send. #### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Apps Claude Developer Platform · in the page api/beta/organization/analytics/apps …the following days. No earlier than 2026-01-01. format: date #### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Chat Claude Developer Platform · in the page api/beta/organization/analytics/apps/chat …the following days. No earlier than 2026-01-01. format: date #### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Projects Claude Developer Platform · in the page api/beta/organization/analytics/apps/chat/projects …the following days. No earlier than 2026-01-01. format: date ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Chat Project Usage Claude Developer Platform · in the page api/beta/organization/analytics/apps/chat/projects/list …r the following days. No earlier than 2026-01-01. format: date ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Artifacts Claude Developer Platform · in the page api/beta/organization/analytics/artifacts …valid with `group_by[]` — the ungrouped cube is never paginated. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Artifact Activity Claude Developer Platform · in the page api/beta/organization/analytics/artifacts/list …valid with `group_by[]` — the ungrouped cube is never paginated. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Connectors Claude Developer Platform · in the page api/beta/organization/analytics/connectors …the following days. No earlier than 2026-01-01. format: date ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Connector Usage Claude Developer Platform · in the page api/beta/organization/analytics/connectors/list …r the following days. No earlier than 2026-01-01. format: date ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Cost Claude Developer Platform · in the page api/beta/organization/analytics/cost …s nothing for a Claude Enterprise organization. maxItems: 100 ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Cost By Dimension Claude Developer Platform · in the page api/beta/organization/analytics/cost/list …es nothing for a Claude Enterprise organization. maxItems: 100 ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Cost Report Claude Developer Platform · in the page api/beta/organization/analytics/cost_report …Filter to specific users by tagged user ID. maxItems: 100 ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Cost Over Time Claude Developer Platform · in the page api/beta/organization/analytics/cost_report/list …` Filter to specific users by tagged user ID. maxItems: 100 ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Plugins Claude Developer Platform · in the page api/beta/organization/analytics/plugins …the following days. No earlier than 2026-01-01. format: date ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Plugin Usage Claude Developer Platform · in the page api/beta/organization/analytics/plugins/list …r the following days. No earlier than 2026-01-01. format: date ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Skills Claude Developer Platform · in the page api/beta/organization/analytics/skills …the following days. No earlier than 2026-01-01. format: date ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Skill Usage Claude Developer Platform · in the page api/beta/organization/analytics/skills/list …r the following days. No earlier than 2026-01-01. format: date ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Summaries Claude Developer Platform · in the page api/beta/organization/analytics/summaries …e` is currently always null, so there is never a cursor to send. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Activity Summaries Claude Developer Platform · in the page api/beta/organization/analytics/summaries/list …ge` is currently always null, so there is never a cursor to send. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Usage Claude Developer Platform · in the page api/beta/organization/analytics/usage …s nothing for a Claude Enterprise organization. maxItems: 100 ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Token Usage By Dimension Claude Developer Platform · in the page api/beta/organization/analytics/usage/list …es nothing for a Claude Enterprise organization. maxItems: 100 ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Usage Report Claude Developer Platform · in the page api/beta/organization/analytics/usage_report …Filter to specific users by tagged user ID. maxItems: 100 ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Token Usage Over Time Claude Developer Platform · in the page api/beta/organization/analytics/usage_report/list …` Filter to specific users by tagged user ID. maxItems: 100 ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… User Cost Report Claude Developer Platform · in the page api/beta/organization/analytics/user_cost_report …Filter to specific users by tagged user ID. maxItems: 100 ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Per-User Cost Claude Developer Platform · in the page api/beta/organization/analytics/user_cost_report/list …` Filter to specific users by tagged user ID. maxItems: 100 ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… User Usage Report Claude Developer Platform · in the page api/beta/organization/analytics/user_usage_report …Filter to specific users by tagged user ID. maxItems: 100 ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Per-User Token Usage Claude Developer Platform · in the page api/beta/organization/analytics/user_usage_report/list …` Filter to specific users by tagged user ID. maxItems: 100 ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Users Claude Developer Platform · in the page api/beta/organization/analytics/users …the following days. No earlier than 2026-01-01. format: date ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… List User Activity Claude Developer Platform · in the page api/beta/organization/analytics/users/list …r the following days. No earlier than 2026-01-01. format: date ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… API Keys Claude Developer Platform · in the page api/beta/organization/api_keys …"` - `workspace_id: optional string` Filter by Workspace ID. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… List API Keys Claude Developer Platform · in the page api/beta/organization/api_keys/list …e"` - `workspace_id: optional string` Filter by Workspace ID. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Retrieve API Key (Admin API) Claude Developer Platform · in the page api/beta/organization/api_keys/retrieve …## Path parameters - `api_key_id: string` ID of the API key. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Update API Key Claude Developer Platform · in the page api/beta/organization/api_keys/update …## Path parameters - `api_key_id: string` ID of the API key. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Claude Tag Claude Developer Platform · in the page api/beta/organization/claude_tag …or's `details.slack_channel_id` holds the channel's identifier. #### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Bundles Claude Developer Platform · in the page api/beta/organization/claude_tag/bundles …string` Opaque cursor from a previous response's `next_page`. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… List Bundles Claude Developer Platform · in the page api/beta/organization/claude_tag/bundles/list …string` Opaque cursor from a previous response's `next_page`. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Bundle Claude Developer Platform · in the page api/beta/organization/claude_tag/bundles/retrieve …le_id: string` The Bundle's identifier, starting with `capp_`. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Targets Claude Developer Platform · in the page api/beta/organization/claude_tag/bundles/targets …string` Opaque cursor from a previous response's `next_page`. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Attach Bundle Claude Developer Platform · in the page api/beta/organization/claude_tag/bundles/targets/create …le_id: string` The Bundle's identifier, starting with `capp_`. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Detach Bundle Claude Developer Platform · in the page api/beta/organization/claude_tag/bundles/targets/delete …eturn it. It is never the identifier of the channel or workspace. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… List Bundle Targets Claude Developer Platform · in the page api/beta/organization/claude_tag/bundles/targets/list …string` Opaque cursor from a previous response's `next_page`. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Bundle Target Claude Developer Platform · in the page api/beta/organization/claude_tag/bundles/targets/retrieve …eturn it. It is never the identifier of the channel or workspace. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Slack Channels Claude Developer Platform · in the page api/beta/organization/claude_tag/slack_channels …ror's `details.slack_channel_id` holds the channel's identifier. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning…