Wattwatchers · Rate Limits

Wattwatchers Rate Limits

Wattwatchers REST API v3 (Mercury) rate limits are enforced per API key across two independent dimensions — Transactions Per Second (TPS) and Transactions Per Day (TPD) — and both AUTO-SCALE with the number of devices assigned to the key rather than being fixed per plan. The published limits are illustrative; the authoritative value for any key is always the value in the response headers, which are returned on every successful request. Limits can be raised commercially via a Wattwatchers account manager, and increases take effect immediately without resetting the running count.

Wattwatchers Rate Limits is the machine-readable rate-limit profile for Wattwatchers on the APIs.io network, in the API Commons Rate Limits shape.

It captures 2 rate-limit definitions, measuring requests_per_second and requests_per_day.

Limit state is signalled in the tpdLimit, tpdRemaining, tpdReset, and tpsLimit response headers, and an exhausted limit returns HTTP 429.

The profile also includes response codes documented for throttled.

Tagged areas include Rate Limiting, Energy Data, and Smart Metering.

2 Limits Exhausted: HTTP 429 tpdLimittpdRemainingtpdResettpsLimit
Transcribed from the provider's documentation on 2026-07-27 — docs.wattwatchers.com.au/api/v3/rate-limits.html and docs....
View Source
Rate LimitingEnergy DataSmart Metering

Limits

Transactions Per Second (TPS) api-key
requests_per_second · second
5
5/sec is the documented illustrative example. The real default is derived as (number of devices on the key / 3) — a 100-device fleet yields TPS = 33. Resets every second.
Transactions Per Day (TPD) api-key
requests_per_day · day
10000
10,000/day is the documented illustrative example. The real default is derived as devices x (1 call per 5 min for Long Energy + 1 call per 30 sec for Short Energy + 1 call per 5 min for device status) + a buffer — i.e. devices x (288 + 2880 + 288); a 100-device fleet yields 345,600/day plus buffer. Resets at 12AM UTC.

Work with this as data

Every rate limit here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This rate limit 
curl "https://apis.io/api/v1/rate-limits/wattwatchers-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.