Create a Message changedapi/beta/messages/create
Nearest release: v2.1.269, published under 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+0added
Lines−32removed
From line
529
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits33to this page, all time
The whole hunk
from line 529, old and new numbered
/
from line 529
529529
530530 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
531531
532 Tool invocation directly from the model.
533
534532 - `BetaDirectCaller object`
535533
536534 Tool invocation directly from the model.
from line 784
786784
787785 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
788786
789 Tool invocation directly from the model.
790
791787 - `BetaDirectCaller object`
792788
793789 Tool invocation directly from the model.
from line 840
844840
845841 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
846842
847 Tool invocation directly from the model.
848
849843 - `BetaDirectCaller object`
850844
851845 Tool invocation directly from the model.
from line 906
912906
913907 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
914908
915 Tool invocation directly from the model.
916
917909 - `BetaDirectCaller object`
918910
919911 Tool invocation directly from the model.
from line 974
982974
983975 - `content: BetaCodeExecutionToolResultBlockParamContent`
984976
985 Code execution result with encrypted stdout for PFC + web_search results.
986
987977 - `BetaCodeExecutionToolResultErrorParam object`
988978
989979 - `type: "code_execution_tool_result_error"`
from line 1295
13051295
13061296 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
13071297
1308 Reference to a single tool the caller declared directly in
1309 `tools[]`. Does not accept the composed `{server}_{name}` form the
1310 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
1311 `mcp_toolset_reference` for those.
1312
13131298 - `BetaToolChangeToolReference object`
13141299
13151300 Reference to a single tool the caller declared directly in
from line 1343
13581343
13591344 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
13601345
1361 Reference to a single tool the caller declared directly in
1362 `tools[]`. Does not accept the composed `{server}_{name}` form the
1363 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
1364 `mcp_toolset_reference` for those.
1365
13661346 - `BetaToolChangeToolReference object`
13671347
13681348 Reference to a single tool the caller declared directly in
from line 4219
42394219
42404220 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
42414221
4242 Tool invocation directly from the model.
4243
42444222 - `BetaDirectCaller object`
42454223
42464224 Tool invocation directly from the model.
from line 4281
43034281
43044282 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
43054283
4306 Tool invocation directly from the model.
4307
43084284 - `BetaDirectCaller object`
43094285
43104286 Tool invocation directly from the model.
from line 4339
43634339
43644340 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
43654341
4366 Tool invocation directly from the model.
4367
43684342 - `BetaDirectCaller object`
43694343
43704344 Tool invocation directly from the model.
from line 4443
44694443
44704444 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
44714445
4472 Tool invocation directly from the model.
4473
44744446 - `BetaDirectCaller object`
44754447
44764448 Tool invocation directly from the model.
from line 4521
45494521
45504522 - `content: BetaCodeExecutionToolResultBlockContent`
45514523
4552 Code execution result with encrypted stdout for PFC + web_search results.
4553
45544524 - `BetaCodeExecutionToolResultError object`
45554525
45564526 - `type: "code_execution_tool_result_error"`
from line 5812
58425812 default: content_block_start
58435813
58445814 - `content_block: BetaTextBlock or BetaThinkingBlock or BetaRedactedThinkingBlock or 14 more`
5845
5846 Response model for a file uploaded to the container.
58475815
58485816 - `BetaTextBlock object`
58495817
No line in this hunk matches that.