{"entry":{"slug":"cloudflare-r2-s3-api","name":"Cloudflare R2 (S3 API)","category":"api","summary":"S3-compatible object storage with zero egress fees.","description":"","auth_mode":"AWS SigV4","endpoint":"https://{account}.r2.cloudflarestorage.com","docs_url":"https://developers.cloudflare.com/r2/api/s3/api/","tags":["storage","s3"],"capabilities":["store a file","upload an object","serve static assets","object storage"],"auth_params":[{"name":"Authorization","location":"header","required":true}],"input_format":"binary","output_format":"binary / xml","rate_limit":"high","pricing":"10 GB/mo free","invocation_example":"aws s3 cp file.png s3://bucket/ --endpoint-url https://$ACCOUNT.r2.cloudflarestorage.com","verified":false,"verified_at":null,"featured":false,"checks_total":63,"checks_ok":61,"avg_latency_ms":32,"reports_count":0,"health_ok":true,"health_status_code":200,"health_checked_at":"2026-10-31T11:17:06.054+00:00","health_latency_ms":36,"probe_url":"https://developers.cloudflare.com/r2/api/s3/api/"},"watch":{"hint":"Follow \"cloudflare-r2-s3-api\": get alerted when it goes down, comes back, or changes shape. Free, 3 tools per key. Email follows are confirmed by a one-click email before alerts start.","how":"POST https://agentnexus.app/api/public/watch with {\"slug\":\"cloudflare-r2-s3-api\"} and your x-api-key (the key's email gets the alerts), or add \"email\" / \"webhook_url\". Email follows must be confirmed from the inbox before alerts start."}}