ActionCloudflare R2Updated May 2026

What R2 buckets are on this account?

Short answer: Drop the "Cloudflare R2 → List R2 Buckets" action anywhere in your workflow, map the inputs from upstream nodes, and publish.

Use this action All 3 Cloudflare R2 actions

Sample request

{}

Returns

"<ListAllMyBucketsResult>...</ListAllMyBucketsResult>"

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for List R2 Buckets.

Any of these apps can fire this action as part of a workflow.

Gmail → Cloudflare R2

1 Gmail triggers

Slack → Cloudflare R2

13 Slack triggers

Google Sheets → Cloudflare R2

2 Google Sheets triggers

HubSpot → Cloudflare R2

18 HubSpot triggers

FAQ

Questions about List R2 Buckets.

What does the List R2 Buckets action do in Cloudflare R2?

Returns every R2 bucket in the account with name and creation date. Useful for bucket-inventory workflows and for resolving bucket names at workflow-build time.

What inputs does List R2 Buckets require?

List R2 Buckets has no required inputs. Sensible defaults are applied if you leave fields blank.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Cloudflare R2 returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does List R2 Buckets support batch operations?

Yes. Run List R2 Buckets inside a Loop node to process arrays. Tiny Command handles Cloudflare R2's rate limits automatically so you don't have to throttle manually.

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