ThingSpeak Update API
Write a single channel entry via `/update` or push high-volume telemetry via `/channels/{channel_id}/bulk_update.json` (CSV or JSON batches). The write surface is the workhorse of every ThingSpeak device — Arduino, ESP32, Raspberry Pi, Particle, and any HTTP-capable sensor node.
ThingSpeak Update API is one of 12 APIs that ThingSpeak publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include IoT, Write, and Telemetry. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.
This API exposes 2 operations across 1 path, and defines 2 schemas. It is described by OpenAPI 3.0.3, at version 1.0.
Requests are made against a single base URL, https://api.thingspeak.com.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
ThingSpeak Update API declares
1 security scheme
for authenticating requests.
An API key is passed in the header as THINGSPEAKAPIKEY (UserApiKeyHeader).
By default, every request must be authenticated.
Paths & Operations 2
Across 1 path, the API surfaces 2 operations — 1 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.
Schemas 2
The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are Entry (15 properties), UpdateRequest (14 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from ThingSpeak 11
Other APIs ThingSpeak publishes across the network.