One read of Claude Developer Platformapi-20261016T013710Z
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about-claude/pricing Changed · +4 / -6 lines
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167167
168168[Fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode) provides significantly faster output for Claude Opus 5.5, Claude Opus 5, and Claude Opus 4.8 at premium pricing. Fast mode for Claude Opus 5 and Claude Opus 4.8 is in research preview. Fast mode pricing applies across the full context window, including requests over 200k input tokens. Fast mode is available on the Claude API (first-party) and, for Claude Opus 5.5, on [Claude in Microsoft Foundry](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry) for deployments hosted on Azure; it is not available on Claude Platform on AWS or partner-operated cloud platforms.
169169
170| Model | Input | Output |
171| ------------------------------- | ---------- | ---------- |
172| Claude Opus 5.5 | $8 / MTok | $40 / MTok |
173| Claude Opus 5 / Claude Opus 4.8 | $10 / MTok | $50 / MTok |
174
175Fast mode is not available on Claude Opus 4.7 (requests with `speed: "fast"` return an error) or Claude Opus 4.6. See [Fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode#supported-models).
170| Model | Input | Output |
171| ------------------------------- | -------------- | -------------- |
172| Claude Opus 5.5 | $8 USD / MTok | $40 USD / MTok |
173| Claude Opus 5 / Claude Opus 4.8 | $10 USD / MTok | $50 USD / MTok |
176174
177175Fast mode pricing stacks with other pricing modifiers:
178176
agents-and-tools/agent-skills/claude-api-skill Changed · +41 / -12 lines
from line 77
7777
7878You can also invoke it directly:
7979
80```text wrap
80Use this skill in Claude Code
81
82```text
8183/claude-api
8284```
8385
from line 95
9395
9496Or install it as a [Claude Code plugin](https://code.claude.com/docs/en/plugins):
9597
98Let Claude Code install this for you
99
100```text
101Install the claude-api plugin from the anthropics/skills plugin marketplace
102```
103
104Or run these commands in Claude Code:
105
96106```text wrap
97107/plugin marketplace add anthropics/skills
98108/plugin install claude-api@anthropic-agent-skills
from line 112
102112
103113The Claude API skill can perform Claude model migrations across a code base. Invoke it directly with `/claude-api migrate`:
104114
105```text wrap
106/claude-api migrate this project to claude-opus-5-5
115Let Claude Code migrate your code for you
116
117```text
118/claude-api migrate this project to the latest Claude Opus model
107119```
108120
109121You can also pass a specific scope up front to skip the scope-confirmation question:
110122
111```text wrap
112/claude-api migrate everything under src/ to claude-opus-5-5
113/claude-api migrate apps/api.py and apps/worker.py to claude-opus-5-5
123Let Claude Code migrate your code for you
124
125```text
126/claude-api migrate everything under src/ to the latest Claude Opus model
114127```
115128
129Let Claude Code migrate your code for you
130
131```text
132/claude-api migrate apps/api.py and apps/worker.py to the latest Claude Opus model
133```
134
116135When the scope is ambiguous (for example, a bare `/claude-api migrate to claude-opus-5-5`), the skill asks you to choose between the entire working directory, a specific subdirectory, or an explicit file list before editing any files. This applies to both Messages API and Managed Agents callers.
117136
118137The skill handles:
from line 154
135154
136155[Preserved thinking](https://platform.claude.com/docs/en/build-with-claude/preserved-thinking) keeps a `thinking` block valid only while the `system` prompt, `tools`, and messages before it stay unchanged. To find and fix the places where your code edits that history, open the repository that builds your requests and invoke the `preserved-thinking-migration` subcommand:
137156
138```text wrap
157Let Claude Code check your code for you
158
159```text
139160/claude-api preserved-thinking-migration
140161```
141162
from line 176
155176
156177To scaffold a new Managed Agent from scratch, invoke the `managed-agents-onboard` subcommand:
157178
158```text wrap
179Let Claude Code set up your agent for you
180
181```text
159182/claude-api managed-agents-onboard
160183```
161184
from line 192
169192
170193**Building a chat application:**
171194
172```text wrap
195Let Claude Code build this for you
196
197```text
173198Build a streaming chat UI with the Claude API in TypeScript
174199```
175200
176201**Migrating an existing project:**
177202
178```text wrap
179/claude-api migrate this codebase to claude-opus-5-5 and re-tune effort
203Let Claude Code migrate your code for you
204
205```text
206/claude-api migrate this code base to the latest Claude Opus model and re-tune effort
180207```
181208
182209**Onboarding a new Managed Agent:**
183210
184```text wrap
211Let Claude Code set up your agent for you
212
213```text
185214/claude-api managed-agents-onboard
186215```
187216
api/beta Changed · +481 / -94 lines
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53415341
53425342 The inference speed mode for this request. `"fast"` enables high output-tokens-per-second inference.
53435343
5344 Some models require the `fast-mode-2026-02-01` beta header for any `speed` value. See [fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode?sdk_languages=http) for which models.
5345
53445346 - `"standard"`
53455347
53465348 - `"fast"`
from line 7713
77117713
77127714 - `enabled: optional boolean or null`
77137715
7714 Whether this member is offered to the model. Default is per member, per the toolset's documentation. A member whose enabled resolves false is withheld from the served schema.
7715
7716 - `zoom: optional BetaComputerZoomConfig or null`
7717
7718 `zoom`'s config overrides.
7719
7720 - `defer_load
7716 Whether this member is offered to the model. Default is per member, per the toolset's documentation. A member whose enabled resol
api/beta/agents Changed · +30 / -6 lines
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1515
1616- `"anthropic-version": optional string`
1717
18 The version of the Claude API you want to use.
19
20 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
21
1822- `"anthropic-beta": optional array of AnthropicBeta`
1923
20 Optional header to specify the beta version(s) you want to use.
24 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2125
2226 - `string`
2327
from line 2031
20272031
20282032- `"anthropic-version": optional string`
20292033
2034 The version of the Claude API you want to use.
2035
2036 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
2037
20302038- `"anthropic-beta": optional array of AnthropicBeta`
20312039
2032 Optional header to specify the beta version(s) you want to use.
2040 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
20332041
20342042 - `string`
20352043
from line 3081
30733081
30743082- `"anthropic-version": optional string`
30753083
3084 The version of the Claude API you want to use.
3085
3086 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
3087
30763088- `"anthropic-beta": optional array of AnthropicBeta`
30773089
3078 Optional header to specify the beta version(s) you want to use.
3090 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
30793091
30803092 - `string`
30813093
from line 4114
41024114
41034115- `"anthropic-version": optional string`
41044116
4117 The version of the Claude API you want to use.
4118
4119 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
4120
41054121- `"anthropic-beta": optional array of AnthropicBeta`
41064122
4107 Optional header to specify the beta version(s) you want to use.
4123 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
41084124
41094125 - `string`
41104126
from line 6105
60896105
60906106- `"anthropic-version": optional string`
60916107
6108 The version of the Claude API you want to use.
6109
6110 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
6111
60926112- `"anthropic-beta": optional array of AnthropicBeta`
60936113
6094 Optional header to specify the beta version(s) you want to use.
6114 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
60956115
60966116 - `string`
60976117
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81918211
81928212 - `allowed_domains: optional array of string`
81938213
8194 - `blocked_domains: optional array of string`
8195
8196 - `max_content_tokens: optional number or null`
8197
8198 format: int32
8199
8200 - `BetaManagedAgentsWebSearchToolConfig object`
8201
8202 Configuration for the web_search tool.
8203
8204 - `type: "web_search"`
8205
8206 - `enabled: boolean`
8207
8208 - `name: "web_search"`
8209
8210 - `permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy`
8211
8212 Permission policy for tool execution.
8213
8214 - `BetaManagedAgentsAlwaysAllowPolicy object`
8215
8216 Tool calls are automatically approved without user confirmation.
8217
8218 - `BetaManagedAgentsAlwaysAskPolicy object`
8219
8220 Tool calls require user confirmation before execution.
8221
8222 - `BetaManagedAgentsAutoPolicy object`
8223
8224 The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach
8214 - `b
api/beta/agents/archive Changed · +5 / -1 lines
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1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529
2630 - `string`
2731
api/beta/agents/create Changed · +5 / -1 lines
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1313
1414- `"anthropic-version": optional string`
1515
16 The version of the Claude API you want to use.
17
18 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
19
1620- `"anthropic-beta": optional array of AnthropicBeta`
1721
18 Optional header to specify the beta version(s) you want to use.
22 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
1923
2024 - `string`
2125
api/beta/agents/list Changed · +5 / -1 lines
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4141
4242- `"anthropic-version": optional string`
4343
44 The version of the Claude API you want to use.
45
46 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
47
4448- `"anthropic-beta": optional array of AnthropicBeta`
4549
46 Optional header to specify the beta version(s) you want to use.
50 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
4751
4852 - `string`
4953
api/beta/agents/retrieve Changed · +5 / -1 lines
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2727
2828- `"anthropic-version": optional string`
2929
30 The version of the Claude API you want to use.
31
32 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
33
3034- `"anthropic-beta": optional array of AnthropicBeta`
3135
32 Optional header to specify the beta version(s) you want to use.
36 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
3337
3438 - `string`
3539
api/beta/agents/update Changed · +5 / -1 lines
from line 19
1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529
2630 - `string`
2731
api/beta/agents/versions Changed · +5 / -1 lines
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3333
3434- `"anthropic-version": optional string`
3535
36 The version of the Claude API you want to use.
37
38 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
39
3640- `"anthropic-beta": optional array of AnthropicBeta`
3741
38 Optional header to specify the beta version(s) you want to use.
42 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
3943
4044 - `string`
4145
api/beta/agents/versions/list Changed · +5 / -1 lines
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3131
3232- `"anthropic-version": optional string`
3333
34 The version of the Claude API you want to use.
35
36 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
37
3438- `"anthropic-beta": optional array of AnthropicBeta`
3539
36 Optional header to specify the beta version(s) you want to use.
40 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
3741
3842 - `string`
3943
api/beta/deployment_runs Changed · +10 / -2 lines
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7171
7272- `"anthropic-version": optional string`
7373
74 The version of the Claude API you want to use.
75
76 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
77
7478- `"anthropic-beta": optional array of AnthropicBeta`
7579
76 Optional header to specify the beta version(s) you want to use.
80 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
7781
7882 - `string`
7983
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468472
469473- `"anthropic-version": optional string`
470474
475 The version of the Claude API you want to use.
476
477 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
478
471479- `"anthropic-beta": optional array of AnthropicBeta`
472480
473 Optional header to specify the beta version(s) you want to use.
481 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
474482
475483 - `string`
476484
api/beta/deployment_runs/list Changed · +5 / -1 lines
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6969
7070- `"anthropic-version": optional string`
7171
72 The version of the Claude API you want to use.
73
74 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
75
7276- `"anthropic-beta": optional array of AnthropicBeta`
7377
74 Optional header to specify the beta version(s) you want to use.
78 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
7579
7680 - `string`
7781
api/beta/deployment_runs/retrieve Changed · +5 / -1 lines
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1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529
2630 - `string`
2731
api/beta/deployments Changed · +40 / -8 lines
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1515
1616- `"anthropic-version": optional string`
1717
18 The version of the Claude API you want to use.
19
20 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
21
1822- `"anthropic-beta": optional array of AnthropicBeta`
1923
20 Optional header to specify the beta version(s) you want to use.
24 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2125
2226 - `string`
2327
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12031207
12041208- `"anthropic-version": optional string`
12051209
1210 The version of the Claude API you want to use.
1211
1212 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
1213
12061214- `"anthropic-beta": optional array of AnthropicBeta`
12071215
1208 Optional header to specify the beta version(s) you want to use.
1216 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
12091217
12101218 - `string`
12111219
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19381946
19391947- `"anthropic-version": optional string`
19401948
1949 The version of the Claude API you want to use.
1950
1951 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
1952
19411953- `"anthropic-beta": optional array of AnthropicBeta`
19421954
1943 Optional header to specify the beta version(s) you want to use.
1955 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
19441956
19451957 - `string`
19461958
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26642676
26652677- `"anthropic-version": optional string`
26662678
2679 The version of the Claude API you want to use.
2680
2681 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
2682
26672683- `"anthropic-beta": optional array of AnthropicBeta`
26682684
2669 Optional header to specify the beta version(s) you want to use.
2685 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
26702686
26712687 - `string`
26722688
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38003816
38013817- `"anthropic-version": optional string`
38023818
3819 The version of the Claude API you want to use.
3820
3821 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
3822
38033823- `"anthropic-beta": optional array of AnthropicBeta`
38043824
3805 Optional header to specify the beta version(s) you want to use.
3825 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
38063826
38073827 - `string`
38083828
from line 4547
45274547
45284548- `"anthropic-version": optional string`
45294549
4550 The version of the Claude API you want to use.
4551
4552 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
4553
45304554- `"anthropic-beta": optional array of AnthropicBeta`
45314555
4532 Optional header to specify the beta version(s) you want to use.
4556 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
45334557
45344558 - `string`
45354559
from line 4940
49164940
49174941- `"anthropic-version": optional string`
49184942
4943 The version of the Claude API you want to use.
4944
4945 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
4946
49194947- `"anthropic-beta": optional array of AnthropicBeta`
49204948
4921 Optional header to specify the beta version(s) you want to use.
4949 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
49224950
49234951 - `string`
49244952
from line 5671
56435671
56445672- `"anthropic-version": optional string`
56455673
5674 The version of the Claude API you want to use.
5675
5676 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
5677
56465678- `"anthropic-beta": optional array of AnthropicBeta`
56475679
5648 Optional header to specify the beta version(s) you want to use.
5680 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
56495681
56505682 - `string`
56515683
api/beta/deployments/archive Changed · +5 / -1 lines
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1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529
2630 - `string`
2731
api/beta/deployments/create Changed · +5 / -1 lines
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1313
1414- `"anthropic-version": optional string`
1515
16 The version of the Claude API you want to use.
17
18 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
19
1620- `"anthropic-beta": optional array of AnthropicBeta`
1721
18 Optional header to specify the beta version(s) you want to use.
22 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
1923
2024 - `string`
2125
api/beta/deployments/list Changed · +5 / -1 lines
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5757
5858- `"anthropic-version": optional string`
5959
60 The version of the Claude API you want to use.
61
62 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
63
6064- `"anthropic-beta": optional array of AnthropicBeta`
6165
62 Optional header to specify the beta version(s) you want to use.
66 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
6367
6468 - `string`
6569
api/beta/deployments/pause Changed · +5 / -1 lines
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1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529
2630 - `string`
2731
api/beta/deployments/retrieve Changed · +5 / -1 lines
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1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529
2630 - `string`
2731
api/beta/deployments/run Changed · +5 / -1 lines
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1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529
2630 - `string`
2731
api/beta/deployments/unpause Changed · +5 / -1 lines
from line 19
1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529
2630 - `string`
2731
api/beta/deployments/update Changed · +5 / -1 lines
from line 19
1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529
2630 - `string`
2731
api/beta/dreams Changed · +25 / -5 lines
from line 19
1919
2020- `"anthropic-version": optional string`
2121
22 The version of the Claude API you want to use.
23
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25
2226- `"anthropic-beta": optional array of AnthropicBeta`
2327
24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `dreaming-2026-04-21` in this header.
2529
2630 - `string`
2731
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602606
603607- `"anthropic-version": optional string`
604608
609 The version of the Claude API you want to use.
610
611 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
612
605613- `"anthropic-beta": optional array of AnthropicBeta`
606614
607 Optional header to specify the beta version(s) you want to use.
615 This endpoint is in beta: requests must send `dreaming-2026-04-21` in this header.
608616
609617 - `string`
610618
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10191027- `"anthropic-version": optional string`
10201028
1029 The version of the Claude API you want to use.
1030
1031 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
1032
10211033- `"anthropic-beta": optional array of AnthropicBeta`
10221034
1023 Optional header to specify the beta version(s) you want to use.
1035 This endpoint is in beta: requests must send `dreaming-2026-04-21` in this header.
10241036
10251037 - `string`
10261038
from line 1441
14291441
14301442- `"anthropic-version": optional string`
14311443
1444 The version of the Claude API you want to use.
1445
1446 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
1447
14321448- `"anthropic-beta": optional array of AnthropicBeta`
14331449
1434 Optional header to specify the beta version(s) you want to use.
1450 This endpoint is in beta: requests must send `dreaming-2026-04-21` in this header.
14351451
14361452 - `string`
14371453
from line 1857
18411857
18421858- `"anthropic-version": optional string`
18431859
1860 The version of the Claude API you want to use.
1861
1862 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
1863
18441864- `"anthropic-beta": optional array of AnthropicBeta`
18451865
1846 Optional header to specify the beta version(s) you want to use.
1866 This endpoint is in beta: requests must send `dreaming-2026-04-21` in this header.
18471867
18481868 - `string`
18491869
api/beta/dreams/archive Changed · +5 / -1 lines
from line 23
2323
2424- `"anthropic-version": optional string`
2525
26 The version of the Claude API you want to use.
27
28 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
29
2630- `"anthropic-beta": optional array of AnthropicBeta`
2731
28 Optional header to specify the beta version(s) you want to use.
32 This endpoint is in beta: requests must send `dreaming-2026-04-21` in this header.
2933
3034 - `string`
3135