# ThingSpeak Update API

**Canonical:** https://apis.io/apis/thingspeak/thingspeak-update-api/  
**Provider:** ThingSpeak — https://apis.io/providers/thingspeak/  
**Base URL:** https://api.thingspeak.com/  
**Documentation:** https://www.mathworks.com/help/thingspeak/writedata.html

ThingSpeak Update API is one of 12 APIs that [ThingSpeak](https://apis.io/providers/thingspeak/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include IoT and Telemetry. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

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.

## Machine-readable artifacts (3)

- **Documentation** — https://www.mathworks.com/help/thingspeak/writedata.html
- **Documentation** — https://www.mathworks.com/help/thingspeak/bulkwritejsondata.html
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/thingspeak/refs/heads/main/openapi/thingspeak-update-api-openapi.yml

## Other ThingSpeak APIs (11)

- [ThingSpeak Channels API](https://apis.io/apis/thingspeak/thingspeak-channels-api/)
- [ThingSpeak MQTT API](https://apis.io/apis/thingspeak/thingspeak-mqtt-api/)
- [ThingSpeak React API](https://apis.io/apis/thingspeak/thingspeak-react-api/)
- [ThingSpeak Alerts API](https://apis.io/apis/thingspeak/thingspeak-alerts-api/)
- [ThingSpeak Charts API](https://apis.io/apis/thingspeak/thingspeak-charts-api/)
- [ThingSpeak MATLAB Analysis API](https://apis.io/apis/thingspeak/thingspeak-matlab-analysis-api/)
- [ThingSpeak MATLAB Visualization API](https://apis.io/apis/thingspeak/thingspeak-matlab-visualization-api/)
- [ThingSpeak ThingHTTP API](https://apis.io/apis/thingspeak/thingspeak-thinghttp-api/)
- [ThingSpeak TimeControl API](https://apis.io/apis/thingspeak/thingspeak-timecontrol-api/)
- [ThingSpeak Channels.json API](https://apis.io/apis/thingspeak/thingspeak-channels-json-api/)
- [ThingSpeak Talkbacks API](https://apis.io/apis/thingspeak/thingspeak-talkbacks-api/)

## Tags

IoT, Telemetry

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/thingspeak/thingspeak-update-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/thingspeak/.