Limits

Bounds you can hit, as numbers.

Rich values and streams

• Media item: up to 16 MiB, image/audio/video types only. A media point carries up to 64 items. Media links must be https: URLs up to 2,048 characters — no IP-literal or localhost hosts, no userinfo.
• Serialized rich value: up to 256 KiB.
• Text: up to 65,536 characters. Captions: up to 256 characters.
• Table: up to 64 columns and 1,000 rows; column names 1–256 characters.
• Histogram: 1–512 bins.

Uploads and requests

• Artifact uploads split into parts of 5–64 MiB, up to 10,000 parts.
• JSON request bodies: up to 1 MiB — artifact parts stream separately.

Queries

• Point queries return up to 10,000 points per page (default 1,000); page with cursor/next_cursor for longer ranges.
• Document and session lists return up to 100 entries per page.
• A samples read (read_samples) returns at most one point per axis value — the newest write wins — and reports complete=false when the page was truncated.

Keys and commands

• Project and user API keys: maximum lifetime 366 days.
• A command's expires_at can be at most 24 hours after issue.

Teams

• An organization can hold up to 100 usable invite links at a time. Revoked, expired, and used-up links don't count.
• An invite link can allow up to 10,000 joins and up to 16 email domains. It can stay valid for at most 366 days.
• Email invitations expire after 7 days. An organization can have up to 128 pending email invitations.