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Amazing work! I have been selling a product using a WhatsApp chatbot for some time now. iMessage would be a great addition to this so I will definitely get back to you once I find some more time to work on the project. Great work in getting this setup!


Amazing work on HFD! There is a lot happening in the space of mass-customization where I feel this fits right in!

We have a platform for automated sheet metal production and quoting. At the moment we only take completed 2D/3D technical drawings as an input although there is definitely a market for ordering parametric products too.

If you ever want to discuss the possibilities for HFD in the sheet metal industry let me know!


Hi everyone, I have removed the 2.99 payment from my postcard chatbot while the quarantines or my wallet last. Send a postcard to a friend or family member who is helping to fight the pandemic or who need some extra love in general!


After getting the question for a converter for AI, EPS and PDF files to SVG I have built a tiny demo using Inkscape and Ghostscript.

It seems however that although there is a ton of references online for the various conversions many of them are very outdated. I'm wondering if anyone used similar conversions in a production environment in the past and what approaches yielded the best results for them.

(if anyone wants to play around with the current implementation I'll leave an instance running here: https://inkscape-xiaaw3oz6q-ew.a.run.app)


Great job on releasing the project!

Had a similar iOS app years ago that would make chat groups with everyone in a 1km radius [1]. In the end our largest hurdle was getting enough users together per location.

1: http://www.zonemessenger.com/


Thanks. I made something similar a while ago myself called Shoutium, basically the same thing. More simpler this time around tho. Users are always difficult to get, this too will probably also fizzle out.


All the best of luck with Shoutium! I still love the concept of a local messaging app and it was great fun in active areas. But like you said getting the critical mass required is always tough.


Awesome seeing this here! I hope this will get you the traction you need to keep it up and running! Happy New Year by the way!

I made a WhatsApp chatbot[1] a while back that helps you customize and send postcards from within WhatsApp.

1: https://melonpost.com


This is a great idea , it all comes to privacy on the address that is shared. How are those preserved


It’s definitely important! The addresses are stored for generating the postcard designs and shipping them to the recipient only.

The card is however printed by a third-party with whom we thus have to share the address details for shipping. From there on the is no additional privacy concernes compared to sending a postcard by hand.


Love the idea. I hope it sticks.

I think you should add a statement addressing the privacy issue. Will you or won't you sell data? Is the data encrypted? Will the vendor not sell the data?

I can see this product being a lot of fun. But not at the expense of loss of privacy.


There is a privacy statement on the bottom of the page that covers this. Let me know if you feel this is not thorough enough or not prominent enough.


This is pretty cool. Do you have any metrics on how long it takes to arrive at the destination from the time of ordering? I'm curious to know how long it would take to arrive in the USA, South America (i.e Colombia) or Australia.


Not the OP, but I post postcards from USA as hobby (member of site Postcrossing); Cards to slower postal countries like Russia China or African Continent take anywhere between 15-45 days, depending on how countryside the address is. Cards to faster postal countries like Germany Denmark Sweden etc take about 6-10 days. Obviously there are exceptions.


That’s spot on. We send the postcards from the UK so for the UK and Europe mainland we can manage 2-6 days even.


Anything like that for Telegram? Not necessarily by you, I mean in general. I know it supports bots so this should be possible.


None that I know of but it should be fairly easy in telegram. It perfect for chatbots! Integration with WhatsApp was the hardest part really. I know there used to be a version for Facebook messenger[1] though.

1: https://postcard.im/


Is the Whatsapp Api hard to work with? Or does it require using private APIs?


Not op but Twilio has a whatsapp integration, and it seems pretty straightforward.


WhatsApp has recently announced their plans for their API after a very long beta program (open to enterprise companies only). They will not be working directly with customers but have chosen 20+ partners through which their API will be available (e.g. Twilio).

At the time of building this project this was not yet available. And automating WhatsApp was somewhat of a hassle.


Great idea! I considered an SMS interface but kept with web as an MVP. Good luck with your project! If you'd like to stay in touch, please connect with me: adam@der.wiki


Very interesting service! Could not reach your number from the Netherlands although I expect that is intentional.

Some feedback that did wonders for our service (melonpost.com) is to make the call to action different for desktop and mobile users:

- Your current link to the phone number only works on mobile so only show it here

- An option for desktop users is a "text me" button with an input field for the number to send a text to


I completely agree chatbots can be slow at collecting information. In the case of Melon Post we look at rivaling the speed of a web form at least with orders to a previously used address. At this point, the benefit of being available from your message box and focus on simplicity will hopefully attract it's own little group of loyal customers!


In most cases various error messages for a certain position in the conversation are available. These messages are aimed at nudging the user back into one of the predefined conversational flows or to have them repeat their answer in a different format.

Something the bot still has trouble with is if the user sends a second reply before the answer of the bot is received.


Author here! One of my side projects nearing completion. Terms/Privacy statements are underway so please bear with me for now.

Looking for some advice on getting the dialog as fluid as possible (I'm using dialogflow on the back). Especially address parsing seems like a tricky field so any feedback on this would be most appreciated!

The WhatsApp REST interface will be open-source once fully tested (heavily based on: https://github.com/Rhymen/go-whatsapp).


That's smart and well executed. Congratulations


Glad you like it!


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