# Developers & API

**URL:** https://community.rentman.io/c/developers-api/17.md

[Latest](https://community.rentman.io/latest.md) · [Categories](https://community.rentman.io/categories.md) · [Tags](https://community.rentman.io/tags.md)

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## [About the Developers & API category](https://community.rentman.io/t/about-the-developers-api-category/122)

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**Author:** [@Kenneth](https://community.rentman.io/u/Kenneth)\
**Replies:** 0\
**Last updated:** [September 8, 2026, 8:59am UTC](https://community.rentman.io/t/about-the-developers-api-category/122 "2026-09-08T08:59:53Z")

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The REST API, webhooks, the MCP server, and custom integrations. Post your code, as someone here has probably run into the same challenge.

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## [Equipment Times update has broken the scanner app and API integrations for warehouse workflows](https://community.rentman.io/t/equipment-times-update-has-broken-the-scanner-app-and-api-integrations-for-warehouse-workflows/180)

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**Author:** [@Jbez](https://community.rentman.io/u/Jbez)\
**Replies:** 3\
**Last updated:** [November 5, 2026, 1:16pm UTC](https://community.rentman.io/t/equipment-times-update-has-broken-the-scanner-app-and-api-integrations-for-warehouse-workflows/180 "2026-11-05T13:16:11Z")

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1. The scanner app doesn’t match desktop Warehouse statuses moved from the project to the packing list, which makes sense. But the scanner app hasn’t been updated to match. It only shows the default statuses, not our cu…

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## [Write endpoints in the Rentman API: what’s live and what’s next](https://community.rentman.io/t/write-endpoints-in-the-rentman-api-what-s-live-and-what-s-next/160)

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**Author:** [@Rick](https://community.rentman.io/u/Rick)\
**Replies:** 6\
**Last updated:** [November 5, 2026, 11:27am UTC](https://community.rentman.io/t/write-endpoints-in-the-rentman-api-what-s-live-and-what-s-next/160 "2026-11-05T11:27:15Z")

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Hi everyone, Many of you have told us that read-only access only gets you halfway, especially if you want to automate project creation from start to finish. So we’ve started opening up write actions in the API, one by o…

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## [How to manage two customer levels in Rentman – Invoice Customer and End Customer / Project Location?](https://community.rentman.io/t/how-to-manage-two-customer-levels-in-rentman-invoice-customer-and-end-customer-project-location/178)

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**Author:** [@Xerus](https://community.rentman.io/u/Xerus)\
**Replies:** 0\
**Last updated:** [November 4, 2026, 9:20am UTC](https://community.rentman.io/t/how-to-manage-two-customer-levels-in-rentman-invoice-customer-and-end-customer-project-location/178 "2026-11-04T09:20:51Z")

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Hi everyone, We are currently evaluating Rentman as a potential new software solution for our brewery’s event and equipment management. We really like Rentman and its extensive features, but we are struggling with one …

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## [Add MCP possibilities](https://community.rentman.io/t/add-mcp-possibilities/23)

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**Author:** [@ggarnier](https://community.rentman.io/u/ggarnier)\
**Replies:** 19\
**Last updated:** [October 30, 2026, 8:30am UTC](https://community.rentman.io/t/add-mcp-possibilities/23 "2026-10-30T08:30:24Z")

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Hello, So far, integration with ChatGPT and Hermes works well and the configuration is very simple. However, the MCP has many limitations (such as the API) and mostly only allows viewing project information. It would …

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## [Let one contact person be linked to several contacts and locations](https://community.rentman.io/t/let-one-contact-person-be-linked-to-several-contacts-and-locations/172)

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**Author:** [@carpvik](https://community.rentman.io/u/carpvik)\
**Replies:** 1\
**Last updated:** [October 30, 2026, 7:53am UTC](https://community.rentman.io/t/let-one-contact-person-be-linked-to-several-contacts-and-locations/172 "2026-10-30T07:53:23Z")

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Today a contact person in Rentman can only belong to one contact (company or location). In our industry people move between companies and venues all the time. A producer books on behalf of several agencies, a venue techn…

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## ["createFromTemplate" endpoint](https://community.rentman.io/t/createfromtemplate-endpoint/159)

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**Author:** [@Andrew](https://community.rentman.io/u/Andrew)\
**Replies:** 7\
**Last updated:** [October 28, 2026, 1:26pm UTC](https://community.rentman.io/t/createfromtemplate-endpoint/159 "2026-10-28T13:26:59Z")

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Ok so i was really excited to see that a template duplication end point had been added, it should be a huge step forward for automation, but was trying it tonight and realised that even though you can duplicate a templat…

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## [Missing stock calculation method (Serialized / Bulk)](https://community.rentman.io/t/missing-stock-calculation-method-serialized-bulk/169)

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**Author:** [@Morrus03](https://community.rentman.io/u/Morrus03)\
**Replies:** 3\
**Last updated:** [October 27, 2026, 10:05am UTC](https://community.rentman.io/t/missing-stock-calculation-method-serialized-bulk/169 "2026-10-27T10:05:44Z")

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It would be great if GET /equipment also included the stock calculation method (Serialized / Bulk). Currently, this information seems to be missing. Checking whether serial numbers exist isn’t a reliable workaround, sin…

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## [Streamdeck x Rentman](https://community.rentman.io/t/streamdeck-x-rentman/139)

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**Author:** [@Thomas](https://community.rentman.io/u/Thomas)\
**Replies:** 2\
**Last updated:** [September 26, 2026, 6:03pm UTC](https://community.rentman.io/t/streamdeck-x-rentman/139 "2026-09-26T18:03:22Z")

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Hi. Hi everyone I come from working with Rentman for some years now. Recently I got working Streamdecks more and more for using for shortcuts. After spending a lot of time playing I got a working shortcut panel that i…

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## [Permissions Read vs Write](https://community.rentman.io/t/permissions-read-vs-write/60)

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**Author:** [@Mitch](https://community.rentman.io/u/Mitch)\
**Replies:** 3\
**Last updated:** [September 22, 2026, 7:16am UTC](https://community.rentman.io/t/permissions-read-vs-write/60 "2026-09-22T07:16:04Z")

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Other MCP we use have the option to only turn on Read and/or Write. With Rentman it is both in 1 go. I would prefer to give Ai permission for Read, but only write ‘with approval’. Why? for read use i’m ok with ‘always a…

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## [API/MCP: reference documentation for reliable AI automation](https://community.rentman.io/t/api-mcp-reference-documentation-for-reliable-ai-automation/132)

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**Author:** [@110](https://community.rentman.io/u/110)\
**Replies:** 0\
**Last updated:** [September 21, 2026, 2:25pm UTC](https://community.rentman.io/t/api-mcp-reference-documentation-for-reliable-ai-automation/132 "2026-09-21T14:25:36Z")

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Hello, In your post “Update from Rentman: Where we’re taking the MCP”, you mention expanding the API documentation to provide better context for MCP and AI tools. I would like to outline a practical need that supports t…

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## [Projects Notes mit MCP](https://community.rentman.io/t/projects-notes-mit-mcp/32)

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**Author:** [@SKalmbach](https://community.rentman.io/u/SKalmbach)\
**Replies:** 2\
**Last updated:** [September 21, 2026, 12:53pm UTC](https://community.rentman.io/t/projects-notes-mit-mcp/32 "2026-09-21T12:53:57Z")

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Super wäre wenn der Notizen-Endpunkt (/projects/{id}/notes o.ä.) auch über das MCP funktionieren würde. Das geht leider bisher noch nicht. Aufgaben funktionieren wunderbar.

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## [Vehicule availability](https://community.rentman.io/t/vehicule-availability/129)

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**Author:** [@Alexandre\_FLEURET](https://community.rentman.io/u/Alexandre_FLEURET)\
**Replies:** 0\
**Last updated:** [September 18, 2026, 2:43pm UTC](https://community.rentman.io/t/vehicule-availability/129 "2026-09-18T14:43:27Z")

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Hello, Is there an API endpoint to create, update, and delete a vehicle’s unavailability for a specific date range, equivalent to the functionality available in the Rentman planner? API version 1.16.0 exposes crewavail…

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## [CHAT AI feedback](https://community.rentman.io/t/chat-ai-feedback/109)

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**Author:** [@pierrecinemotion](https://community.rentman.io/u/pierrecinemotion)\
**Replies:** 1\
**Last updated:** [August 24, 2026, 8:41am UTC](https://community.rentman.io/t/chat-ai-feedback/109 "2026-08-24T08:41:19Z")

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AI Chat is live in our workspace and I put it through a real end-to-end test today — not a toy prompt, an actual project build. The short version: it’s promising, but it can’t yet do real work, and the most useful eviden…

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## [Write access for project management: equipment, crew functions, and project fields](https://community.rentman.io/t/write-access-for-project-management-equipment-crew-functions-and-project-fields/106)

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**Author:** [@strelle](https://community.rentman.io/u/strelle)\
**Replies:** 1\
**Last updated:** [August 20, 2026, 9:39am UTC](https://community.rentman.io/t/write-access-for-project-management-equipment-crew-functions-and-project-fields/106 "2026-08-20T09:39:03Z")

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We run a small event-technology company and drive Rentman through the MCP daily from an LLM — intake of enquiries, building projects, calculating, preparing quote texts. Reading is excellent: projects, subprojects, equip…

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## [MCP Connection error (HTTP 400) between Base44 and Rentman](https://community.rentman.io/t/mcp-connection-error-http-400-between-base44-and-rentman/100)

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**Author:** [@hillel](https://community.rentman.io/u/hillel)\
**Replies:** 2\
**Last updated:** [August 6, 2026, 2:35pm UTC](https://community.rentman.io/t/mcp-connection-error-http-400-between-base44-and-rentman/100 "2026-08-06T14:35:23Z")

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I’m trying to connect Base44 to Rentman using a custom MCP server, but I’m running into an authentication error. I’ve set the URL to \[ Connect to Rentman MCP \]( Connect to Rentman MCP ) and selected OAuth for authentica…

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## [Mcp and Even Labs G2 glases](https://community.rentman.io/t/mcp-and-even-labs-g2-glases/90)

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**Author:** [@Martyn](https://community.rentman.io/u/Martyn)\
**Replies:** 6\
**Last updated:** [August 5, 2026, 7:47am UTC](https://community.rentman.io/t/mcp-and-even-labs-g2-glases/90 "2026-08-05T07:47:51Z")

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Hi all, I’ve been doing some testing with the MCP using a wearable voice assistant while out on jobs, and I’ve come across something that I think could be really useful. At the moment the MCP is great for answering que…

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## [A little project I have been working on with evenlabs g2 g](https://community.rentman.io/t/a-little-project-i-have-been-working-on-with-evenlabs-g2-g/97)

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**Author:** [@Martyn](https://community.rentman.io/u/Martyn)\
**Replies:** 4\
**Last updated:** [July 29, 2026, 1:47pm UTC](https://community.rentman.io/t/a-little-project-i-have-been-working-on-with-evenlabs-g2-g/97 "2026-07-29T13:47:27Z")

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Hi All It was working… now it’s stopped. Grab a coffee this is a long one.. TLDR: All tools returning internal errors. I’m having an issue with the Rentman MCP (rentman-new) and wondered if anyone else has seen this. …

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## [Error 403 Forbidden while connecting to Docker / Cherry](https://community.rentman.io/t/error-403-forbidden-while-connecting-to-docker-cherry/68)

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**Author:** [@Christian](https://community.rentman.io/u/Christian)\
**Replies:** 4\
**Last updated:** [July 28, 2026, 11:33am UTC](https://community.rentman.io/t/error-403-forbidden-while-connecting-to-docker-cherry/68 "2026-07-28T11:33:17Z")

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I have a problem with the “403 Forbidden” error while trying to connect Docker Desktop or Cherry Studio. Both same error. -\>Workspace on v533 -\>MPC for my is account enabled Any idea what to do? THX!

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## [Crew Function duration read only inhibits entry of flexible time hours (i.e. no fixed usage period, just flat hours:minutes)](https://community.rentman.io/t/crew-function-duration-read-only-inhibits-entry-of-flexible-time-hours-i-e-no-fixed-usage-period-just-flat-hours-minutes/91)

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**Author:** [@rpounderfmc](https://community.rentman.io/u/rpounderfmc)\
**Replies:** 1\
**Last updated:** [July 27, 2026, 7:35am UTC](https://community.rentman.io/t/crew-function-duration-read-only-inhibits-entry-of-flexible-time-hours-i-e-no-fixed-usage-period-just-flat-hours-minutes/91 "2026-07-27T07:35:02Z")

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When entering crew function lines that might consist of, for example, graphics design work, the usage period and planning periods don’t matter. When entering via Web UI, this can be resolved by simply giving a non-fixed …

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## [Book Equipment on Project](https://community.rentman.io/t/book-equipment-on-project/88)

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**Author:** [@FranciscoNeryRXF2018](https://community.rentman.io/u/FranciscoNeryRXF2018)\
**Replies:** 1\
**Last updated:** [July 20, 2026, 9:43am UTC](https://community.rentman.io/t/book-equipment-on-project/88 "2026-07-20T09:43:43Z")

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As \*\*Karl-Elias\_Teder wrote: \*\* POST on /projects/{id}/projectequipmentgroup — to create equipment groups POST on /projects/{id}/projectequipment — to add equipment items to the equipment view PUT on /projectequipmen…

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## [Equipment kit structure and booking](https://community.rentman.io/t/equipment-kit-structure-and-booking/84)

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**Author:** [@Gustav](https://community.rentman.io/u/Gustav)\
**Replies:** 1\
**Last updated:** [July 20, 2026, 9:39am UTC](https://community.rentman.io/t/equipment-kit-structure-and-booking/84 "2026-07-20T09:39:10Z")

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I´m so excited for what this could take us. I had several issues around equipment planning since we use it a bit different from most event and rental companies. First and foremost we work with the broadcast industry so …

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## [MCP -32603: Internal error](https://community.rentman.io/t/mcp-32603-internal-error/79)

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**Author:** [@ChrisUlijn](https://community.rentman.io/u/ChrisUlijn)\
**Replies:** 4\
**Last updated:** [July 9, 2026, 9:48am UTC](https://community.rentman.io/t/mcp-32603-internal-error/79 "2026-07-09T09:48:55Z")

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What does this error mean?

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## [Access to Invoice moment for Prepayment follow-up](https://community.rentman.io/t/access-to-invoice-moment-for-prepayment-follow-up/82)

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**Author:** [@marcmo](https://community.rentman.io/u/marcmo)\
**Replies:** 1\
**Last updated:** [July 8, 2026, 11:42am UTC](https://community.rentman.io/t/access-to-invoice-moment-for-prepayment-follow-up/82 "2026-07-08T11:42:02Z")

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Hello, for prepayments we generate a modified quote report in order to supply a document to the customer to prepay (pro-forma invoice) . I’d like to implement a reminder task for the account manager if the confirmed proj…

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## [API feedback actions:](https://community.rentman.io/t/api-feedback-actions/72)

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**Author:** [@Alvaro\_Acosta\_Lopez](https://community.rentman.io/u/Alvaro_Acosta_Lopez)\
**Replies:** 0\
**Last updated:** [June 24, 2026, 11:38pm UTC](https://community.rentman.io/t/api-feedback-actions/72 "2026-06-24T23:38:08Z")

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Hello, works great also I have build a custom MCP server based on your API "It would be really interesting to add the following actions: Possibility to use templates when creating projects Possibility to search wi…

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## [Where is the mcp link?](https://community.rentman.io/t/where-is-the-mcp-link/70)

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**Author:** [@astisl](https://community.rentman.io/u/astisl)\
**Replies:** 2\
**Last updated:** [June 24, 2026, 1:32pm UTC](https://community.rentman.io/t/where-is-the-mcp-link/70 "2026-06-24T13:32:34Z")

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I’ve been watching the tutorials, and they all say that we need to go to ‘Integrations’, where we’ll find the link to the MCP. The fact is that this link isn’t available in our workspace. We’re not sure if this is becau…

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## [Trying rentman mcp on microsoft copilot](https://community.rentman.io/t/trying-rentman-mcp-on-microsoft-copilot/64)

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**Author:** [@PNabwire](https://community.rentman.io/u/PNabwire)\
**Replies:** 1\
**Last updated:** [June 18, 2026, 1:43pm UTC](https://community.rentman.io/t/trying-rentman-mcp-on-microsoft-copilot/64 "2026-06-18T13:43:08Z")

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Has anyone else tried to use the Rentman MCP on Microsoft Copilot? The set up process seems to be a bit more complex requiring the creation of a separate custom MCP server first \*sigh\*

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## [API rectrictions on writing](https://community.rentman.io/t/api-rectrictions-on-writing/66)

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**Author:** [@Karl-Elias\_Teder](https://community.rentman.io/u/Karl-Elias_Teder)\
**Replies:** 1\
**Last updated:** [June 18, 2026, 8:06am UTC](https://community.rentman.io/t/api-rectrictions-on-writing/66 "2026-06-18T08:06:12Z")

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Hello! We use Google Apps Script to automate project creation from Google Sheets — reading input lists (microphones, DI boxes, stands) and creating Rentman projects via the API. The project creation part works perfectly…

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## [API/MCP write access for equipment location & DGUV inspections](https://community.rentman.io/t/api-mcp-write-access-for-equipment-location-dguv-inspections/65)

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**Author:** [@smalte](https://community.rentman.io/u/smalte)\
**Replies:** 1\
**Last updated:** [June 18, 2026, 7:31am UTC](https://community.rentman.io/t/api-mcp-write-access-for-equipment-location-dguv-inspections/65 "2026-06-18T07:31:03Z")

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Hi Rentman team, We’re fing Group (fingLED + fingEVENT), an event-tech rental company running a Raspberry Pi scanning kiosk in our warehouse on top of Rentman. Two spots where we’ve built the full local workflow but sti…

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## [403 on authorize — account not enabled for beta?](https://community.rentman.io/t/403-on-authorize-account-not-enabled-for-beta/31)

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**Author:** [@Phoenix\_Quinn](https://community.rentman.io/u/Phoenix_Quinn)\
**Replies:** 3\
**Last updated:** [June 17, 2026, 2:40pm UTC](https://community.rentman.io/t/403-on-authorize-account-not-enabled-for-beta/31 "2026-06-17T14:40:18Z")

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I can’t get past a 403 Forbidden on the OAuth authorize URL (mcp.rentman.net/authorize?\`\`...). I’ve ruled out everything on my end: Workspace on v530 “Access for AI assistant via MCP” enabled on my Poweruser role …

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