Algorithm Choice and Open APIs: Why 2026 Is the Year to Stop Renting Your Audience
Algorithm Choice and Open APIs: Why 2026 Is the Year to Stop Renting Your Audience
This article was drafted with AI assistance and reviewed and edited by the Therr team before publication.
2026 has quietly become the year of algorithm choice. Within about six months, Instagram, Threads, and TikTok all shipped tools that let people tell the feed what they actually want. It's a genuine improvement — and it stops well short of the thing that matters most. Picking your algorithm is only half the story. The other half is who controls the pipe that data flows through, and for most businesses in 2026, that pipe got more expensive and less predictable.
The Year Algorithm Choice Went Mainstream
The timeline is tighter than most people realize. TikTok's "Manage Topics" arrived in 2024, followed by AI-powered keyword filters in 2025. Instagram extended its "Your Algorithm" tool from Reels to feed and Explore in early June 2026. Threads launched "Your Algo" on June 16, 2026, letting people privately nudge their feed for one, three, or seven days at a stretch.
Instagram head Adam Mosseri framed the shift plainly in TechCrunch's coverage of user-controlled algorithms: ranking models were historically built with technology that wasn't transparent to users, and large language models finally make those systems explainable. That's a real admission, and a welcome one.
Regulation deserves some of the credit. In October 2025, the Amsterdam District Court ruled that Meta violated the EU's Digital Services Act by failing to offer users a meaningful choice between algorithmic and chronological timelines. The DSA also opened a second front: Article 40 and its delegated act now give vetted researchers a formal pipeline to platform data through a central EU Data Access Portal. Transparency is being legislated into existence because it wasn't going to arrive on its own.
Meanwhile, Bluesky has treated algorithmic choice as architecture rather than a settings toggle. Its custom feed generators have let anyone publish an algorithm since 2023, and the platform crossed 42 million users in early 2026. The difference is that on Bluesky, the algorithm lives outside the app — which is the part everyone else is still avoiding.
Why Picking Your Algorithm Isn't Enough
Here's the catch with in-app algorithm controls: you're choosing from a menu someone else wrote, in a room someone else owns. You can ask for more baseball and less stressful news. You cannot ask for "posts from businesses within a ten-minute walk of where I'm standing," because that isn't on the menu and never will be if it doesn't sell ads.
For a business owner, the limitation is sharper. Algorithm choice gives your customers a dial. It gives you nothing. Your reach is still set by a ranking system you can't inspect, on a platform that can change the weighting overnight — the exact dynamic behind the algorithm fatigue driving people toward local over viral. A restaurant with 4,000 followers who mostly live in the neighborhood is still at the mercy of whether the feed feels like showing them lunch today.
Trust makes it worse. Roughly 88% of consumers say AI video tools have decreased their trust in social media news, and about half of Gen Z report unfollowing, muting, or blocking accounts they suspect are AI-generated. When the feed itself is suspect, being ranked in it is a weaker asset than it was two years ago. We dug into this dynamic in our look at how AI content is eroding social media trust.
The 2026 API Squeeze
While users were being handed feed dials, developers were being handed invoices. Early 2026 saw Amazon, X, and Reddit all restructure API access within weeks of each other — not price bumps, but structural overhauls toward usage-based billing built for a world where AI agents consume data at machine scale.
X is the clearest example. As of February 2026, pay-per-use became the default for new developers: $0.005 per post read and $0.015 per post created, jumping to $0.20 if the post contains a link, with reads capped at 2 million per month. The free tier is gone. Legacy $200 and $5,000 monthly tiers survive only for existing subscribers.
Shutdowns tell the same story from a different angle. OpenAI retired its Assistants API in August 2026 and announced in June that its Evals dashboard, Agent Builder, and Prompts API would all go dark by November 30. None of these are scandals — companies are allowed to change products. That's precisely the point. If your customer relationships, your local data, or your product roadmap depend on someone else's API, your business plan has a dependency you didn't price.
The pattern across both stories is identical. Closed platforms give you exactly as much control as is convenient for them, and the terms change without your input.
What an Open, Local-First API Unlocks
An API that isn't governed by an ad-ranking algorithm is a different kind of tool. It doesn't decide what deserves reach. It answers questions and hands back data you can build on.
That's the premise behind the Therr public API. Because Therr is proximity-first rather than engagement-first, the data it exposes is the data local operators actually need:
- Location and map data — query spaces, moments, and geo-tagged content near any coordinate. Build a neighborhood events board, a campus map, or a "what's happening on this block" widget for your own site.
- Community engagement — pull events, hangouts, and local discussions into your app, your kiosk, or your internal dashboard instead of screenshotting them out of a feed.
- Business insights — foot traffic patterns, engagement, and local trends you can join against your own POS or CRM data rather than reading off a chart you can't export.
The mechanics are deliberately boring, which is the compliment. Create a business account, choose a plan (every paid plan includes API access, and your plan sets your rate limits), generate a key under Settings → API Keys, and send it as an x-api-key header. The API documentation covers the rest. No ad spend gate, no partner application, no "reach out to sales for eligibility."
Pick Your Algorithm, Then Own the Pipe
Therr now lets users pick their algorithm inside the app — the same principle Instagram and Threads have adopted, applied to a feed that ranks by proximity and genuine interest rather than ad yield. Choose the discovery mode that fits how you actually move through your city: what's nearby right now, what your community is doing, what matches the interests you've told us about.
The part that makes it more than a settings screen is that the same platform exposes a public API. Algorithm choice decides what you see. An open API decides what you can build. Together they close the loop that closed platforms deliberately leave open: a coffee shop can tune its own feed and pull its own local engagement data into its own systems, without either capability being revoked in a pricing update.
This is the same thread running through the shift toward privacy-focused social media apps that Gen Z is switching to. Users are asking for control over what they see and what's collected about them. Businesses should be asking the same question about the data they generate.
What Local Businesses and Builders Should Do About It
You don't need to leave any platform. You need to stop treating rented reach as infrastructure.
- Audit your dependencies. List every platform your customer relationships run through. For each one, answer: what happens if pricing triples or the endpoint is deprecated in 90 days? If you can't answer, that's the risk.
- Own a data pipe you can export from. Email lists, SMS, and open APIs share one trait: nobody re-ranks them. Anything you can query and export is an asset; anything you can only view in a dashboard is a rental.
- Prefer proximity over reach. Fifty thousand impressions in another country is worth less than five hundred within walking distance. Optimize for the metric that fills your room, not the one that fills a chart — a theme we cover in depth in our guide to foot traffic ideas for small shops.
- Take the algorithm controls seriously. Tell every platform that offers a dial what you want. These features improve when they're used, and they atrophy when they're ignored.
- Build one small thing on an open API. An events widget on your site, a neighborhood board in your window, a weekly local-activity digest. Start with the smallest useful thing and own it end to end.
Frequently Asked Questions
What is algorithm choice on social media?
Algorithm choice means letting users influence or select the ranking system that decides what appears in their feed, instead of receiving one fixed recommendation model. In 2026 this ranges from in-app topic controls (Instagram's "Your Algorithm," Threads' "Your Algo," TikTok's "Manage Topics") to fully swappable third-party feeds like Bluesky's custom feed generators.
Why do open APIs matter for small businesses?
An open API lets you query and export the data your business generates — local engagement, events, foot traffic patterns — and combine it with your own systems. Data you can only view inside someone else's dashboard can be re-ranked, re-priced, or removed. Data you can pull through an API is an asset you keep.
What changed about social media API pricing in 2026?
Amazon, X, and Reddit all restructured API access in early 2026, shifting from fixed tiers to usage-based billing. X made pay-per-use the default for new developers in February 2026 and discontinued its free tier, charging per post read and per post created.
How do I get a Therr API key?
Create a business account on the Therr dashboard, choose a paid plan (all paid plans include API access, with rate limits set by plan), then generate a key under Settings → API Keys. The key is shown once, so store it securely and send it as the x-api-key header on your requests.
Algorithm choice is a real win, and it's worth using. But a dial inside someone else's app is a courtesy, not control. Control is having a feed you can tune and a documented API you can build on — so that when the next pricing page or ranking update lands, it's an inconvenience instead of an existential event.
Get a Therr API key and build something that's actually yours.
Building on local data or thinking about algorithm control? Share your thoughts at info@therr.com — we'd love to hear what you're building.
