Sweep 19 Sep 2026 · 02:36Z Build v2.1.278 500 read Stable v2.1.267 Latest v2.1.278 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
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One change · api

Create a Message Batch changed

api/messages/batches/create

Nearest release: v2.1.274, published 7 hours 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+118added
Lines−0removed
From line 2,581 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits9to this page, all time

The whole hunk

from line 2581, old and new numbered
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lines
from line 2581
25812581 
25822582 When true, guarantees schema validation on tool names and inputs
25832583 
2584 - `url_sources: optional WebFetchURLSources or null`
2585 
2586 Which sources contribute to the set of URLs web fetch may fetch.
2587 
2588 Each key is a tagged variant: `user_input` is `all` or `none`; the
2589 two tool filters are `all`, `none`, `only` (only the named tools'
2590 results) or `except` (every result but the named tools'). A named tool
2591 must be declared in this request's `tools[]`.
2592 
2593 - `client_tool_results: optional WebFetchURLSourceAll or WebFetchURLSourceNone or WebFetchURLSourceOnly or WebFetchURLSourceExcept`
2594 
2595 Which client tools' results contribute fetchable URLs: "all", "none", or an only or except list of client tool names from tools[].
2596 
2597 - `WebFetchURLSourceAll object`
2598 
2599 The `url_sources` variant under which a source contributes in
2600 full: every result of the tool filter's source, or all user input.
2601 
2602 - `type: "all"`
2603 
2604 - `WebFetchURLSourceNone object`
2605 
2606 The `url_sources` variant under which a source contributes nothing:
2607 no result of the tool filter's source, or no user input.
2608 
2609 - `type: "none"`
2610 
2611 - `WebFetchURLSourceOnly object`
2612 
2613 The tool filter variant under which only the named tools' results
2614 contribute.
2615 
2616 - `type: "only"`
2617 
2618 - `tools: array of WebFetchURLSourceToolReference`
2619 
2620 - `type: "tool_reference"`
2621 
2622 - `name: string`
2623 
2624 - `WebFetchURLSourceExcept object`
2625 
2626 The tool filter variant under which every result but the named
2627 tools' contributes.
2628 
2629 - `type: "except"`
2630 
2631 - `tools: array of WebFetchURLSourceToolReference`
2632 
2633 - `type: "tool_reference"`
2634 
2635 - `name: string`
2636 
2637 - `server_tool_results: optional WebFetchURLSourceAll or WebFetchURLSourceNone or WebFetchURLSourceOnly or WebFetchURLSourceExcept`
2638 
2639 Which server tools' results contribute fetchable URLs: "all", "none", or an only or except list of server tool names from tools[]; only web_search and web_fetch results ever contribute.
2640 
2641 - `WebFetchURLSourceAll object`
2642 
2643 The `url_sources` variant under which a source contributes in
2644 full: every result of the tool filter's source, or all user input.
2645 
2646 - `WebFetchURLSourceNone object`
2647 
2648 The `url_sources` variant under which a source contributes nothing:
2649 no result of the tool filter's source, or no user input.
2650 
2651 - `WebFetchURLSourceOnly object`
2652 
2653 The tool filter variant under which only the named tools' results
2654 contribute.
2655 
2656 - `WebFetchURLSourceExcept object`
2657 
2658 The tool filter variant under which every result but the named
2659 tools' contributes.
2660 
2661 - `user_input: optional WebFetchURLSourceAll or WebFetchURLSourceNone`
2662 
2663 Whether URLs in user messages are fetchable: "all" or "none".
2664 
2665 - `WebFetchURLSourceAll object`
2666 
2667 The `url_sources` variant under which a source contributes in
2668 full: every result of the tool filter's source, or all user input.
2669 
2670 - `WebFetchURLSourceNone object`
2671 
2672 The `url_sources` variant under which a source contributes nothing:
2673 no result of the tool filter's source, or no user input.
2674 
25842675 - `WebSearchTool20260209 object`
25852676 
25862677 - `type: "web_search_20260209"`
from line 2778
26872778 
26882779 When true, guarantees schema validation on tool names and inputs
26892780 
2781 - `url_sources: optional WebFetchURLSources or null`
2782 
2783 Which sources contribute to the set of URLs web fetch may fetch.
2784 
2785 Each key is a tagged variant: `user_input` is `all` or `none`; the
2786 two tool filters are `all`, `none`, `only` (only the named tools'
2787 results) or `except` (every result but the named tools'). A named tool
2788 must be declared in this request's `tools[]`.
2789 
26902790 - `WebFetchTool20260309 object`
26912791 
26922792 Web fetch tool with use_cache parameter for bypassing cached content.
from line 2845
27452845 
27462846 When true, guarantees schema validation on tool names and inputs
27472847 
2848 - `url_sources: optional WebFetchURLSources or null`
2849 
2850 Which sources contribute to the set of URLs web fetch may fetch.
2851 
2852 Each key is a tagged variant: `user_input` is `all` or `none`; the
2853 two tool filters are `all`, `none`, `only` (only the named tools'
2854 results) or `except` (every result but the named tools'). A named tool
2855 must be declared in this request's `tools[]`.
2856 
27482857 - `use_cache: optional boolean`
27492858 
27502859 Whether to use cached content. Set to false to bypass the cache and fetch fresh content. Only set to false when the user explicitly requests fresh content or when fetching rapidly-changing sources.
from line 2979
28702979 - `strict: optional boolean`
28712980 
28722981 When true, guarantees schema validation on tool names and inputs
2982 
2983 - `url_sources: optional WebFetchURLSources or null`
2984 
2985 Which sources contribute to the set of URLs web fetch may fetch.
2986 
2987 Each key is a tagged variant: `user_input` is `all` or `none`; the
2988 two tool filters are `all`, `none`, `only` (only the named tools'
2989 results) or `except` (every result but the named tools'). A named tool
2990 must be declared in this request's `tools[]`.
28732991 
28742992 - `use_cache: optional boolean`
28752993