# Blynk.Inject and Blynk.Air

Blynk services (or micro-services) are software modules that perform a certain set of functionality to simplify common use cases.

## Blynk.Inject

![Blynk.Inject](https://user-images.githubusercontent.com/72824404/119472455-ef9ddb80-bd52-11eb-9c6a-e54746ae32dd.png)

A micro-service for:

* Claiming device ownership by users and organizations
* Provisioning devices with WiFi credentials so they can connect to the end-user WiFi networks.
* Managing Authentication Tokens
* UX flow to guide end-users through the process of claiming and provisioning with the help of Blynk.Apps

To get understanding of the Blynk.Inject take a look at the below videos:

<table data-column-title-hidden data-view="cards"><thead><tr><th></th><th data-hidden></th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td></td><td></td><td></td><td><a href="https://www.youtube.com/watch?v=bXPEEmsEtPM">https://www.youtube.com/watch?v=bXPEEmsEtPM</a></td><td><a href="/files/7jBqJ55AX1mh5iQT8HdA">/files/7jBqJ55AX1mh5iQT8HdA</a></td></tr><tr><td></td><td></td><td></td><td><a href="https://www.youtube.com/watch?v=4RGAn0tlrHs">https://www.youtube.com/watch?v=4RGAn0tlrHs</a></td><td><a href="/files/fPxcjtyNf2iWDJkJDclq">/files/fPxcjtyNf2iWDJkJDclq</a></td></tr><tr><td></td><td></td><td></td><td><a href="https://www.youtube.com/watch?v=GPneDxWvp4U">https://www.youtube.com/watch?v=GPneDxWvp4U</a></td><td><a href="/files/PYW4ebho7DQ1xuWz9rnI">/files/PYW4ebho7DQ1xuWz9rnI</a></td></tr></tbody></table>

You can find the full guide on how to use WiFi provisioning by the link below:

{% content-ref url="/pages/-MXhzPyzj8YPrGQnHEtT" %}
[WiFi provisioning](/en/getting-started/activating-devices/blynk-edgent-wifi-provisioning.md)
{% endcontent-ref %}

## Blynk.Air

<figure><img src="/files/8YtQPVjekrQSTGjrex7a" alt=""><figcaption></figcaption></figure>

A micro-service for Firmware Over-the-Air Updates responsible for:

* Managing Firmware Over-the-Air Updates shipping campaigns
* Installing new firmware on the edge devices

You can find the full guide on how to set up OTA updates by the link below:

{% content-ref url="/pages/-MT6K13Tsqu6XWDhgw\_4" %}
[OTA: Firmware Over-The-Air updates](/en/blynk.edgent/updating-devices-firmwares-ota.md)
{% endcontent-ref %}


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