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ContaShare
Change it once. Every organisation updates itself.
Update your address, phone, or name once. Every connected organisation gets it automatically — no more filling in the same form for the council, bank, and broadband provider separately. For businesses: address verification that's usually a one-off snapshot, gone stale the next day. ContaShare makes it live — webhooks fire the instant a customer's details change. Free for individuals. 50 free API credits for businesses, no card required.
Last year I moved house and spent an entire evening updating my address with the council, bank, broadband provider, and every subscription I'd ever signed up for, separately, one by one. One company even sent me a letter asking me to confirm the letter I'd sent them.
I built ContaShare so that never has to happen again. You update your details once, and every organisation you've connected gets the new version automatically.
The B2B side came later, once I realised companies have the mirror image of this problem. They pay for address verification that's accurate for exactly one day, then quietly goes stale. ContaShare replaces that one-off check with a live feed instead.
Would love your honest feedback, especially if you've moved recently, or work in fintech, insurance, or utilities and deal with this from the other side. 🙏
About ContaShare on Product Hunt
“Change it once. Every organisation updates itself.”
ContaShare was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #148 on the daily leaderboard. Update your address, phone, or name once. Every connected organisation gets it automatically — no more filling in the same form for the council, bank, and broadband provider separately. For businesses: address verification that's usually a one-off snapshot, gone stale the next day. ContaShare makes it live — webhooks fire the instant a customer's details change. Free for individuals. 50 free API credits for businesses, no card required.
On the analytics side, ContaShare competes within API, Customer Communication and SaaS — topics that collectively have 155.3k followers on Product Hunt. The dashboard above tracks how ContaShare performed against the three products that launched closest to it on the same day.
Who hunted ContaShare?
ContaShare was hunted by Robert Askam. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of ContaShare including community comment highlights and product details, visit the product overview.
Robert Askam
Hey PH! Founder here 👋
Last year I moved house and spent an entire evening updating my address with the council, bank, broadband provider, and every subscription I'd ever signed up for, separately, one by one. One company even sent me a letter asking me to confirm the letter I'd sent them.
I built ContaShare so that never has to happen again. You update your details once, and every organisation you've connected gets the new version automatically.
The B2B side came later, once I realised companies have the mirror image of this problem. They pay for address verification that's accurate for exactly one day, then quietly goes stale. ContaShare replaces that one-off check with a live feed instead.
Would love your honest feedback, especially if you've moved recently, or work in fintech, insurance, or utilities and deal with this from the other side. 🙏