api-20260821T200735Z / page 4 of 5 / documentation capture

api/admin/analytics/connectors Changed · +1 / -1 lines

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181181```http

182182curl https://api.anthropic.com/v1/organizations/analytics/connectors \

183183 -H 'anthropic-version: 2023-06-01' \

184 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

184 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

185185```

186186

187187#### Response

api/admin/analytics/connectors/list Changed · +1 / -1 lines

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179179```http

180180curl https://api.anthropic.com/v1/organizations/analytics/connectors \

181181 -H 'anthropic-version: 2023-06-01' \

182 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

182 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

183183```

184184

185185#### Response

api/admin/analytics/cost Changed · +2 / -2 lines

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235235```http

236236curl https://api.anthropic.com/v1/organizations/analytics/cost_report \

237237 -H 'anthropic-version: 2023-06-01' \

238 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

238 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

239239```

240240

241241#### Response

from line 547

547547```http

548548curl https://api.anthropic.com/v1/organizations/analytics/user_cost_report \

549549 -H 'anthropic-version: 2023-06-01' \

550 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

550 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

551551```

552552

553553#### Response

api/admin/analytics/cost/list Changed · +1 / -1 lines

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233233```http

234234curl https://api.anthropic.com/v1/organizations/analytics/cost_report \

235235 -H 'anthropic-version: 2023-06-01' \

236 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

236 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

237237```

238238

239239#### Response

api/admin/analytics/cost/list_by_user Changed · +1 / -1 lines

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278278```http

279279curl https://api.anthropic.com/v1/organizations/analytics/user_cost_report \

280280 -H 'anthropic-version: 2023-06-01' \

281 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

281 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

282282```

283283

284284#### Response

api/admin/analytics/plugins Changed · +1 / -1 lines

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140140```http

141141curl https://api.anthropic.com/v1/organizations/analytics/plugins \

142142 -H 'anthropic-version: 2023-06-01' \

143 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

143 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

144144```

145145

146146#### Response

api/admin/analytics/plugins/list Changed · +1 / -1 lines

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138138```http

139139curl https://api.anthropic.com/v1/organizations/analytics/plugins \

140140 -H 'anthropic-version: 2023-06-01' \

141 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

141 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

142142```

143143

144144#### Response

api/admin/analytics/retrieve_summaries Changed · +1 / -1 lines

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160160```http

161161curl https://api.anthropic.com/v1/organizations/analytics/summaries \

162162 -H 'anthropic-version: 2023-06-01' \

163 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

163 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

164164```

165165

166166#### Response

api/admin/analytics/skills Changed · +1 / -1 lines

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185185```http

186186curl https://api.anthropic.com/v1/organizations/analytics/skills \

187187 -H 'anthropic-version: 2023-06-01' \

188 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

188 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

189189```

190190

191191#### Response

api/admin/analytics/skills/list Changed · +1 / -1 lines

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183183```http

184184curl https://api.anthropic.com/v1/organizations/analytics/skills \

185185 -H 'anthropic-version: 2023-06-01' \

186 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

186 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

187187```

188188

189189#### Response

api/admin/analytics/usage Changed · +2 / -2 lines

from line 225

225225```http

226226curl https://api.anthropic.com/v1/organizations/analytics/usage_report \

227227 -H 'anthropic-version: 2023-06-01' \

228 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

228 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

229229```

230230

231231#### Response

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540540```http

541541curl https://api.anthropic.com/v1/organizations/analytics/user_usage_report \

542542 -H 'anthropic-version: 2023-06-01' \

543 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

543 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

544544```

545545

546546#### Response

api/admin/analytics/usage/list Changed · +1 / -1 lines

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223223```http

224224curl https://api.anthropic.com/v1/organizations/analytics/usage_report \

225225 -H 'anthropic-version: 2023-06-01' \

226 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

226 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

227227```

228228

229229#### Response

api/admin/analytics/usage/list_by_user Changed · +1 / -1 lines

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276276```http

277277curl https://api.anthropic.com/v1/organizations/analytics/user_usage_report \

278278 -H 'anthropic-version: 2023-06-01' \

279 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

279 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

280280```

281281

282282#### Response

api/admin/analytics/users Changed · +1 / -1 lines

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384384```http

385385curl https://api.anthropic.com/v1/organizations/analytics/users \

386386 -H 'anthropic-version: 2023-06-01' \

387 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

387 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

388388```

389389

390390#### Response

api/admin/analytics/users/list Changed · +1 / -1 lines

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382382```http

383383curl https://api.anthropic.com/v1/organizations/analytics/users \

384384 -H 'anthropic-version: 2023-06-01' \

385 -H "Authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

385 -H "X-Api-Key: $ANTHROPIC_ADMIN_API_KEY"

386386```

387387

388388#### Response

api/beta-headers Changed · +1 / -1 lines

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11---

22title: Beta headers

33url: https://platform.claude.com/docs/en/api/beta-headers

4description: Access experimental features before general availability with the `anthropic-beta` header or the SDKs' `betas` parameter.

4description: Access experimental features before they become part of the standard API with the `anthropic-beta` header or the SDKs' `betas` parameter.

55---

66

77Beta headers allow you to access experimental features and new model capabilities before they become part of the standard API.

api/beta/messages/batches/results Changed · +1 / -1 lines

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155155

156156 - `version: string`

157157

158 Skill version or 'latest' for most recent version

158 The resolved version: a skill version ID for custom skills.

159159

160160 - `content: array of BetaContentBlock`

161161

api/beta/messages/create Changed · +1 / -1 lines

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39983998

39993999 - `version: string`

40004000

4001 Skill version or 'latest' for most recent version

4001 The resolved version: a skill version ID for custom skills.

40024002

40034003 - `content: array of BetaContentBlock`

40044004

api/messages/batches/results Changed · +1 / -1 lines

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7777

7878 - `version: string`

7979

80 Skill version or 'latest' for most recent version

80 The resolved version: a skill version ID for custom skills.

8181

8282 - `content: array of ContentBlock`

8383

api/messages/create Changed · +1 / -1 lines

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30713071

30723072 - `version: string`

30733073

3074 Skill version or 'latest' for most recent version

3074 The resolved version: a skill version ID for custom skills.

30753075

30763076 - `content: array of ContentBlock`

30773077

api/overview Changed · +1 / -3 lines

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2323

2424The Claude API includes the following APIs:

2525

26**General Availability:**

27

2826* **[Messages API](https://platform.claude.com/docs/en/api/messages/create)**: Send messages to Claude for conversational interactions (`POST /v1/messages`)

2927* **[Message Batches API](https://platform.claude.com/docs/en/api/messages/batches/create)**: Process large volumes of Messages requests asynchronously with 50% cost reduction (`POST /v1/messages/batches`)

3028* **[Token Counting API](https://platform.claude.com/docs/en/api/messages-count-tokens)**: Count tokens in a message before sending to manage costs and rate limits (`POST /v1/messages/count_tokens`)

from line 30

3230* **[Files API](https://platform.claude.com/docs/en/api/files/upload)**: Upload and manage files for use across multiple API calls (`POST /v1/files`, `GET /v1/files`)

3331* **[Skills API](https://platform.claude.com/docs/en/api/skills/create)**: Create and manage custom agent skills (`POST /v1/skills`, `GET /v1/skills`)

3432

35**Beta:**

33The following APIs are in beta:

3634

3735* **[Agents API](https://platform.claude.com/docs/en/managed-agents/agent-setup)**: Define reusable, versioned agent configurations for Claude Managed Agents (`POST /v1/agents`, `GET /v1/agents`)

3836* **[Sessions API](https://platform.claude.com/docs/en/managed-agents/sessions)**: Run stateful agent sessions in managed cloud sandboxes (`POST /v1/sessions`, `GET /v1/sessions/{id}/events/stream`)

api/rate-limits Changed · +1 / -1 lines

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4444

4545### Reaching your spend cap

4646

47Once you reach your tier's spend cap, API usage pauses until 00UTC on the first day of the next month, unless you request a higher limit sooner. While usage is paused, API requests return HTTP 429:

47Once you reach your tier's spend cap, API usage pauses until 00:00 UTC on the first day of the next month, unless you request a higher limit sooner. While usage is paused, API requests return HTTP 429:

4848

4949```json

5050{

api/service-tiers Changed · +1 / -3 lines

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7575 ```

7676

7777 ```bash CLI

78 ant messages create \

79 --transform usage.service_tier \

80 --raw-output <<'YAML'

78 ant messages create --transform usage.service_tier --raw-output <<'YAML'

8179 model: claude-opus-4-8

8280 max_tokens: 1024

8381 messages:

build-with-claude/compaction Changed · +1 / -3 lines

from line 749

749749 # summary so you can adjust the messages before continuing. The continue

750750 # step doesn't translate well to a one-off CLI command; see the SDK tabs

751751 # for the full pause-and-continue flow. Single paused request:

752 ant beta:messages create \

753 --beta compact-2026-01-12 \

754 --format jsonl <<'YAML'

752 ant beta:messages create --beta compact-2026-01-12 --format jsonl <<'YAML'

755753 model: claude-opus-5

756754 max_tokens: 4096

757755 messages:

build-with-claude/embeddings Changed · +1 / -2 lines

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278278 > * Example

279279 >

280280 > * When `input_type="query"`, a query like "When is Apple's conference call scheduled?" will become "**Represent the query for retrieving supporting documents:** When is Apple's conference call scheduled?"

281 >

282 > * When `input_type="document"`, a query like "Apple's conference call to discuss fourth fiscal quarter results and business updates is scheduled for Thursday, November 2, 2023 at 2p.m. PT / 5p.m. ET." will become "**Represent the document for retrieval:** Apple's conference call to discuss fourth fiscal quarter results and business updates is scheduled for Thursday, November 2, 2023 at 2p.m. PT / 5p.m. ET."

281 > * When `input_type="document"`, a query like "Apple's conference call to discuss fourth fiscal quarter results and business updates is scheduled for Thursday, November 2, 2023 at 2:00 p.m. PT / 5:00 p.m. ET." will become "**Represent the document for retrieval:** Apple's conference call to discuss fourth fiscal quarter results and business updates is scheduled for Thursday, November 2, 2023 at 2:00 p.m. PT / 5:00 p.m. ET."

283282

284283 `voyage-large-2-instruct`, as the name suggests, is trained to be responsive to additional instructions that are prepended to the input text. For classification, clustering, or other [MTEB](https://huggingface.co/mteb) subtasks, use the [voyage-large-2-instruct instructions](https://github.com/voyage-ai/voyage-large-2-instruct).

285284 </Accordion>

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