# Migrating Applications to V3 **URL:** https://www.thethingsnetwork.org/forum/c/v2-to-v3-upgrade/migrating-applications-to-v3/103.md [Latest](https://www.thethingsnetwork.org/forum/latest.md) · [Categories](https://www.thethingsnetwork.org/forum/categories.md) · [Tags](https://www.thethingsnetwork.org/forum/tags.md) --- ## [About the Migrating Applications to V3 category](https://www.thethingsnetwork.org/forum/t/about-the-migrating-applications-to-v3-category/43609)
**Author:** [@bluejedi](https://www.thethingsnetwork.org/forum/u/bluejedi)\ **Replies:** 0\ **Last updated:** [February 1, 2021, 6:14pm UTC](https://www.thethingsnetwork.org/forum/t/about-the-migrating-applications-to-v3-category/43609 "2021-02-01T18:14:27Z")
Use this category for questions and feedback about migrating applications from TTN V2 to V3. For more information see: https://www.thethingsnetwork.org/forum/t/43608 --- ## [Multiple frequency plans on single TTN V3 application?](https://www.thethingsnetwork.org/forum/t/multiple-frequency-plans-on-single-ttn-v3-application/45118)
**Author:** [@MedadNewman](https://www.thethingsnetwork.org/forum/u/MedadNewman)\ **Replies:** 1\ **Last updated:** [September 16, 2026, 9:36pm UTC](https://www.thethingsnetwork.org/forum/t/multiple-frequency-plans-on-single-ttn-v3-application/45118 "2026-09-16T21:36:11Z")
For high altitude balloons flying across several LoRaWAN frequency regions, on the V2 application, packets are routed to us from gateways in USA/Canada/Japan as well as the EU. No need to mention frequency plan when sett… --- ## [Can't see EndDevice but LiveData on Gateway](https://www.thethingsnetwork.org/forum/t/cant-see-enddevice-but-livedata-on-gateway/52488)
**Author:** [@goeres](https://www.thethingsnetwork.org/forum/u/goeres)\ **Replies:** 5\ **Last updated:** [July 27, 2023, 9:26am UTC](https://www.thethingsnetwork.org/forum/t/cant-see-enddevice-but-livedata-on-gateway/52488 "2023-07-27T09:26:43Z")
I connected my GateWay Successfully to TTN V3. I can see in Live Data a received message from my End Device Adresse. I do not see the End Device in my Application Live Data and the End Device has no live data or last se… --- ## [Migrating payload formatter](https://www.thethingsnetwork.org/forum/t/migrating-payload-formatter/52891)
**Author:** [@rogerg](https://www.thethingsnetwork.org/forum/u/rogerg)\ **Replies:** 7\ **Last updated:** [November 11, 2021, 11:32am UTC](https://www.thethingsnetwork.org/forum/t/migrating-payload-formatter/52891 "2021-11-11T11:32:54Z")
I am attempting to convert my v2 payload formatter to v3 without any success. One point at the moment is retrieving the fport. My v2 payload formatter commenced: function Decoder(bytes, fport) { var decoded = {}; i… --- ## [Use Basic Auth for an applcation](https://www.thethingsnetwork.org/forum/t/use-basic-auth-for-an-applcation/52283)
**Author:** [@Thomasw](https://www.thethingsnetwork.org/forum/u/Thomasw)\ **Replies:** 3\ **Last updated:** [October 12, 2021, 8:27am UTC](https://www.thethingsnetwork.org/forum/t/use-basic-auth-for-an-applcation/52283 "2021-10-12T08:27:55Z")
Hello I want to migrate my application from version 2 to version 3, I use http post with a basic auth to a specific url, In the new version I see many possibilities for Integration. I guess the correct one for me is web… --- ## [IFTTT Webhook?](https://www.thethingsnetwork.org/forum/t/ifttt-webhook/43739)
**Author:** [@Stoeckli](https://www.thethingsnetwork.org/forum/u/Stoeckli)\ **Replies:** 37\ **Last updated:** [August 24, 2021, 2:15pm UTC](https://www.thethingsnetwork.org/forum/t/ifttt-webhook/43739 "2021-08-24T14:15:55Z")
Hi, did someone already start with creating a webhook template for IFTTT? --- ## [Telegraf on V3](https://www.thethingsnetwork.org/forum/t/telegraf-on-v3/49770)
**Author:** [@MartinNPN](https://www.thethingsnetwork.org/forum/u/MartinNPN)\ **Replies:** 1\ **Last updated:** [July 14, 2021, 12:25pm UTC](https://www.thethingsnetwork.org/forum/t/telegraf-on-v3/49770 "2021-07-14T12:25:48Z")
Hello, i’m trying to migrate from v2 to v3, the data of my devices is collected by telegraf and writen to an influx db. But i’m getting no data, after the change, at the application console i can see the data and the s… --- ## [V3 Payload decoder query](https://www.thethingsnetwork.org/forum/t/v3-payload-decoder-query/47557)
**Author:** [@Seismet](https://www.thethingsnetwork.org/forum/u/Seismet)\ **Replies:** 9\ **Last updated:** [June 4, 2021, 9:11pm UTC](https://www.thethingsnetwork.org/forum/t/v3-payload-decoder-query/47557 "2021-06-04T21:11:08Z")
Hi All, I have recently migrated from V2 where I had a gateway and a GPS end device running , This was fine with the device being visable on “Advanced maps”. Now having migrated to V3 my device is no longer visable , … --- ## [TTN v2 Vs TTN v3 downlink execution](https://www.thethingsnetwork.org/forum/t/ttn-v2-vs-ttn-v3-downlink-execution/46355)
**Author:** [@Surendar](https://www.thethingsnetwork.org/forum/u/Surendar)\ **Replies:** 4\ **Last updated:** [May 29, 2021, 5:51pm UTC](https://www.thethingsnetwork.org/forum/t/ttn-v2-vs-ttn-v3-downlink-execution/46355 "2021-05-29T17:51:31Z")
Dear Team, When i was using the TTN V2, the downlink sent to the LNS gets encoded (using payload formats) only when i next uplink is received. Whereas in TTN V3, when i send a downlink, the LNS encodes (using payload f… --- ## [Will their be a Ubidots STEM V3 Integration](https://www.thethingsnetwork.org/forum/t/will-their-be-a-ubidots-stem-v3-integration/44404)
**Author:** [@Uskompuf](https://www.thethingsnetwork.org/forum/u/Uskompuf)\ **Replies:** 3\ **Last updated:** [April 29, 2021, 12:57pm UTC](https://www.thethingsnetwork.org/forum/t/will-their-be-a-ubidots-stem-v3-integration/44404 "2021-04-29T12:57:36Z")
I am currently using the Ubidots integration on the V2 stack however I cannot see any Ubidots integration on the V3 stack, am I missing it, or is there any plans to bring the integration to V3? Thanks --- ## [Payload formatters in v3](https://www.thethingsnetwork.org/forum/t/payload-formatters-in-v3/43962)
**Author:** [@disk91](https://www.thethingsnetwork.org/forum/u/disk91)\ **Replies:** 14\ **Last updated:** [March 20, 2021, 10:14am UTC](https://www.thethingsnetwork.org/forum/t/payload-formatters-in-v3/43962 "2021-03-20T10:14:15Z")
Hello, want to be sure of what I should do to migrate a v2 payload formatter in v3 V2 was basically no specific structure expected: function Decoder(bytes, port) { var decoded = {}; return decoded; } V3 seems to b… --- ## [TTN payload to HTML PHP](https://www.thethingsnetwork.org/forum/t/ttn-payload-to-html-php/45516)
**Author:** [@stefg](https://www.thethingsnetwork.org/forum/u/stefg)\ **Replies:** 3\ **Last updated:** [March 15, 2021, 2:15pm UTC](https://www.thethingsnetwork.org/forum/t/ttn-payload-to-html-php/45516 "2021-03-15T14:15:57Z")
Hi With the ttn V2, i write a script connecting json file with data storage integration. The php file begin is like : $jsonurl = “https://blablabla.data.thethingsnetwork.org/api/v2/query?last=7d” and the authenticati… --- ## [Ttn-lw-cli login page thethings.example.com not found](https://www.thethingsnetwork.org/forum/t/ttn-lw-cli-login-page-thethings-example-com-not-found/43975)
**Author:** [@erberj](https://www.thethingsnetwork.org/forum/u/erberj)\ **Replies:** 4\ **Last updated:** [February 12, 2021, 10:46pm UTC](https://www.thethingsnetwork.org/forum/t/ttn-lw-cli-login-page-thethings-example-com-not-found/43975 "2021-02-12T22:46:55Z")
After: D:\\devel\\lorawan-stack-cli\_3.10.7\_windows\_amd64\>ttn-lw-cli login INFO Opening your browser on https://thethings.example.com/oauth/authorize?client\_id=cli&redirect\_uri=local-callback&response\_type=code INFO Afte… --- ## [Ttn cli application import failed with grpc\_code=PermissionDenied](https://www.thethingsnetwork.org/forum/t/ttn-cli-application-import-failed-with-grpc-code-permissiondenied/44051)
**Author:** [@erberj](https://www.thethingsnetwork.org/forum/u/erberj)\ **Replies:** 0\ **Last updated:** [February 9, 2021, 8:02pm UTC](https://www.thethingsnetwork.org/forum/t/ttn-cli-application-import-failed-with-grpc-code-permissiondenied/44051 "2021-02-09T20:02:24Z")
ttn-lw-cli end-devices create --application-id “alpenegghausklima-v3” \< all-devices.json WARN Finished unary call duration=58.7ms error=rpc error: code = PermissionDenied desc = error:pkg/auth/right… --- ## [Problem with V3 HTTP api](https://www.thethingsnetwork.org/forum/t/problem-with-v3-http-api/43771)
**Author:** [@akonings](https://www.thethingsnetwork.org/forum/u/akonings)\ **Replies:** 3\ **Last updated:** [February 5, 2021, 4:29pm UTC](https://www.thethingsnetwork.org/forum/t/problem-with-v3-http-api/43771 "2021-02-05T16:29:24Z")
Hi everyone, I’m working on V3 API now, which goes remarkably well. Still have one issue though. My goal is to add devices to my account with the HTTP api. I use the API key which I generate for each application, a m…