Batches changedapi/beta/messages/batches
Nearest release: v2.1.296, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Recorded here
Lines+36added
Lines−0removed
From line
17
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits23to this page, all time
The whole hunk
from line 17, old and new numbered
/
This page is larger than the 256 KiB this site keeps, so one side of the diff below stops where the stored text does.
from line 17
1717
1818### Headers
1919
20- `"anthropic-version": optional string`
21
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).
25
2026- `"anthropic-beta": optional array of AnthropicBeta`
2127
2228 Optional header to specify the beta version(s) you want to use.
from line 4445
44394445
44404446### Headers
44414447
4448- `"anthropic-version": optional string`
4449
4450 The version of the Claude API you want to use.
4451
4452 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
4453
44424454- `"anthropic-beta": optional array of AnthropicBeta`
44434455
44444456 Optional header to specify the beta version(s) you want to use.
from line 4733
47214733
47224734### Headers
47234735
4736- `"anthropic-version": optional string`
4737
4738 The version of the Claude API you want to use.
4739
4740 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
4741
47244742- `"anthropic-beta": optional array of AnthropicBeta`
47254743
47264744 Optional header to specify the beta version(s) you want to use.
from line 5030
50125030
50135031### Headers
50145032
5033- `"anthropic-version": optional string`
5034
5035 The version of the Claude API you want to use.
5036
5037 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
5038
50155039- `"anthropic-beta": optional array of AnthropicBeta`
50165040
50175041 Optional header to specify the beta version(s) you want to use.
from line 5309
52855309
52865310### Headers
52875311
5312- `"anthropic-version": optional string`
5313
5314 The version of the Claude API you want to use.
5315
5316 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
5317
52885318- `"anthropic-beta": optional array of AnthropicBeta`
52895319
52905320 Optional header to specify the beta version(s) you want to use.
from line 5480
54505480
54515481### Headers
54525482
5483- `"anthropic-version": optional string`
5484
5485 The version of the Claude API you want to use.
5486
5487 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
5488
54535489- `"anthropic-beta": optional array of AnthropicBeta`
54545490
54555491 Optional header to specify the beta version(s) you want to use.
from line 7370
73347370
73357371 - `"code_execution_20250825"`
73367372
7337 - `"code_execution_20260120"`
7338
7339 - `"code_execution_20260521"`
7340
7341 - `cache_control: optional BetaCacheControlEphemeral or null`
7342
7343 Create a cache control breakpoint at this content block.
7344
7345 - `defer_loading: optional boolean`
7346
7347 If true, tool will not be included in initial system prompt. Only loaded when returned via tool_reference from tool search.
7348
7349 - `display_number: optional number or null`
7350
7351 The X11 display number (e.g. 0, 1) for the display.
7352
7353 minimum: 0
7354
7355 - `input_examples: optional array of map[unknown]`
7356
7357 - `strict: optional boolean`
7358
7359 When true, guarantees schema validation on tool names and inputs
7360
7361 - `BetaToolTextEditor20241022 object`
7362
7363 - `type: "text_editor_20241022"`
7364
7365 - `name: "str_replace_editor"`
7366
7367 Name of the tool.
7368
7369 This is how the tool will be called by the model and in `tool_use` blocks.
7370
7371 - `allowed_callers: optional ar
7373 - `"code_execution_2
No line in this hunk matches that.