The hottest APIs Substack posts right now

And their main takeaways
Category
Top Technology Topics

Inertia Form Components

inelegant puzzles • 0 implied HN points • 02 Oct 24
🕹 Technology APIs
  1. There's a new way to build forms in Inertia and Vue that doesn't need extra JavaScript. This makes creating forms easier and more efficient.
  2. With the new Inertia Form Components, you can set up forms quickly using just components. This simplifies how you structure your code.
  3. By using the new components, developers can avoid handling error messages directly in the form setup. It streamlines the process of creating user-friendly forms.

A (very brief) intro to exploring metadata on the Hugging Face Hub

machinelearninglibrarian • 0 implied HN points • 16 Jan 23
🕹 Technology APIs
  1. The Hugging Face Hub is a key place for sharing machine learning models and datasets. Finding the right model or dataset can be tough as the number grows, but using metadata can help make the search easier.
  2. You can interact with the Hugging Face Hub programmatically using the `huggingface_hub` library. This library allows you to list datasets and models easily, and it has various features that can help developers.
  3. Exploring tags associated with models and datasets on the Hub is important. Tags provide additional information about the purpose and compatibility of models, but counting them can be misleading without considering their context.

TTW Extra #8 🔥: PyCon deep dives a.k.a. "Tutorials". Getting started with Polars, Building your first API with Django, NLP in Python from scratch, Python concurrency 101, ...

Tech Talks Weekly • 0 implied HN points • 30 Oct 24
🕹 Technology APIs
  1. PyCon has started offering longer format talks called 'Tutorials' since 2020, which allow for in-depth learning on various subjects.
  2. There are many great tutorials available on topics like starting with Polars, building APIs with Django, and learning NLP in Python.
  3. The talks are categorized by year and popularity, making it easy to find the most watched ones or specific topics that interest you.

Understanding Covariance and Contravariance in Type Theory

Andrew’s Substack • 0 implied HN points • 13 Oct 24
🕹 Technology APIs
  1. Covariance allows a subtype to be used where a supertype is expected, especially in collections like lists. This means that a list of cats can be treated like a list of animals.
  2. Contravariance is the opposite, where a supertype can be used where a subtype is expected, particularly in functions. This means a function that works with animals can also accept a function that works with cats.
  3. Understanding these concepts is important because they help make your code safer and more flexible, allowing you to design better APIs and reusable functions.

Use the Sort API to track issues in your Snowflake or Postgres data

Database Engineering by Sort • 0 implied HN points • 14 Nov 24
🕹 Technology APIs
  1. The Sort API helps you track and fix data issues in your Snowflake or PostgreSQL databases. It's like having a tool to keep your data clean and organized.
  2. You can log issues, submit change requests, and categorize them with custom labels. This makes it easier to manage and understand data problems.
  3. The API also allows automation of workflows, so you can streamline how you handle data issues and improve efficiency in your operations.
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Announcing the Sort API for Automating Postgres and Snowflake Workflows

Database Engineering by Sort • 0 implied HN points • 07 Nov 24
🕹 Technology APIs
  1. The Sort API helps automate and manage workflows in Postgres and Snowflake, making it easier for teams to work with their databases.
  2. With Change Requests, users can track, review, and execute changes to their data, which enhances collaboration and transparency.
  3. The API offers powerful querying capabilities, allowing users to define and run their own queries for better data retrieval in their workflows.

Sort Product Update – November 2024

Database Engineering by Sort • 0 implied HN points • 01 Nov 24
🕹 Technology APIs
  1. Sort is working on getting SOC 2 Type 2 certification, which helps ensure user data is safe.
  2. There's a new Sort app for Zapier, allowing users to create easy workflows with their data.
  3. Improvements have been made to the Sort API documentation, making it simpler for users to suggest changes or report inaccuracies.

Traefik API Sandbox-as-a-Service, Rapid + Nokia, Probely + Snyk

The API Changelog • 0 implied HN points • 19 Nov 24
🕹 Technology APIs
  1. Nokia has bought Rapid's API technology to improve network services. This will help them connect better with developers and increase operator revenue.
  2. Traefik has launched a new API Sandbox service for quicker API development. This will help businesses manage their APIs more effectively.
  3. Snyk has acquired a company called Probely to enhance its API security offerings. This aims to improve security testing for applications, especially with AI.

Use bad standards

CodeFaster • 0 implied HN points • 28 Nov 24
🕹 Technology APIs
  1. ChainId is a confusing standard in crypto, but it is universal, which makes it easier to use across different applications. Instead of creating custom names for chains, sticking with chainId saves development time.
  2. Creating custom standards can complicate things, as you might have to map your data to fit different APIs. This can lead to a lot of extra work for developers.
  3. Even if a standard seems bad, if everyone else uses it, it often makes more sense to stick with that standard to avoid unnecessary complications.

Integrate Google Forms into Postgres with the Sort Zapier App

Database Engineering by Sort • 0 implied HN points • 26 Nov 24
🕹 Technology APIs
  1. You can easily collect data using Google Forms and automatically add it to a Postgres database using the Sort Zapier App. This makes your data collection process more efficient.
  2. Sort offers a clear way to manage data changes with transparency, keeping track of what was changed, when, and why. This helps maintain trust in the data management process.
  3. By using Sort, you can propose and review data changes easily, allowing admins to approve them quickly before they are applied. This makes handling sensitive data safe and reliable.

Strava Restricts API Access, Kong $175M, SixthSense API Security Observability

The API Changelog • 0 implied HN points • 26 Nov 24
🕹 Technology APIs
  1. Kong raised $175 million to grow its API technology and expand globally. This is a big step for them to improve their services and bring more innovation to the market.
  2. Strava has tightened its API access to protect user privacy, affecting a small number of third-party apps. This change shows their commitment to keeping user data safe.
  3. Rakuten SixthSense launched new observability solutions to ensure data integrity and security. These tools are important for businesses to manage their data and APIs safely.

Winding down some projects

Expand Mapping with Mike Morrow • 0 implied HN points • 05 Dec 24
🕹 Technology APIs
  1. Winding down projects can help clear your mind and spark new creativity. It feels refreshing to have a clean slate.
  2. The author decided to shut down some web applications that were not heavily used. It felt like a waste to keep them running without much purpose.
  3. Getting rid of unneeded projects can open the door for new ideas. It's good to let go of things that no longer inspire you.

HCR EP 003: Data persistence API

Hasen Judi • 0 implied HN points • 10 Dec 24
🕹 Technology APIs
  1. In this framework, data is stored using a different method than typical SQL databases. It uses a built-in library for data persistence rather than connecting to an external database.
  2. The framework uses buckets, indexes, and collections to manage data, which allows for easy storage and retrieval without needing to write complicated SQL queries.
  3. A key part of the framework is the serialization function, which helps convert data into a format that can be easily saved and loaded from the storage.

Trying Is a Way to Learn How an API Works

The API Changelog • 0 implied HN points • 19 Dec 24
🕹 Technology APIs
  1. Trying out an API rather than just reading about it helps you learn faster. You get to interact with it and see how it works in real-time.
  2. A safe space, like a sandbox, is essential when experimenting with APIs. This way, you can play around without affecting real data or making costly mistakes.
  3. Having tools like browser-based clients or simple forms makes it easier for users to test APIs. It encourages more people to try your API, which is crucial for attracting new users.

Hubspot Imports API Validations, FINSIGHT + CFR, Exabeam OpenAPI

The API Changelog • 0 implied HN points • 14 Jan 25
🕹 Technology APIs
  1. Aduna is a new company aiming to improve global network API usage. They want to make it easier for developers to access and innovate with network capabilities.
  2. HubSpot's CRM Imports API will start checking for required properties before creating records. This means missing important details will cause an error when trying to import data.
  3. Exabeam has launched a new security platform that supports OpenAPI standards. This will help improve detection of security threats and make the operations center more efficient.

Why Aren’t APIs Using Code on Demand?

The API Changelog • 0 implied HN points • 17 Jan 25
🕹 Technology APIs
  1. APIs could improve user experience by using code-on-demand, similar to how web browsers run JavaScript. This would allow APIs to deliver more interactive and efficient services.
  2. The lack of a standardized client for REST APIs makes implementing code-on-demand challenging. New formats like HyperMap are being developed to help change that.
  3. Concerns about security hold back the adoption of code-on-demand in APIs, but the potential benefits suggest it could lead to better features and functionality.

Agentic Authentication and OAuth

ciamweekly • 0 implied HN points • 17 Feb 25
🕹 Technology APIs
  1. AI agents will need better ways to access user data, and OAuth could provide a way to do that with its scope system. It helps keep user data secure and structured.
  2. The landscape for AI agents is much more fragmented than social platforms. Many smaller companies don't have the systems in place for OAuth, which makes it harder for widespread adoption.
  3. There might be a mix of solutions where big companies lead with better APIs for agents, while smaller ones could use more casual methods to let agents access information, making it tricky for users to manage their data rights.

MikMak New APIs, Harness + Traceable, DeepSeek Increases API Prices

The API Changelog • 0 implied HN points • 19 Feb 25
🕹 Technology APIs
  1. Aduna is working to make access to network APIs easier around the world by partnering with Sinch, which will help improve digital communication services.
  2. MikMak has launched new APIs and made updates to its platform to help brands increase sales and expand globally, including new pricing intelligence tools.
  3. DeepSeek is raising its API prices, which may lessen competition for cloud vendors while helping businesses focus on localized deployments.

Deepgram Voice API, OpenRouter $40M, Thales Detects BOLA Vulnerabilities

The API Changelog • 0 implied HN points • 30 Jun 25
🕹 Technology APIs
  1. Deepgram has launched a Voice API, which helps businesses create smart voice agents to improve customer interactions. This API includes features for speech recognition and conversation management.
  2. OpenRouter received $40 million in funding to advance its AI inference API, showing that investors believe in its potential technology. This funding will help them grow and enhance their services.
  3. Thales introduced new tools to detect vulnerabilities in APIs, specifically BOLA, which protects applications from unauthorized data access. This is important for keeping sensitive information secure.

Sri Lanka API Policies, SaturnX $3M, Bitdefender + Mesh Security

The API Changelog • 0 implied HN points • 23 Jun 25
🕹 Technology APIs
  1. Sri Lanka is planning to introduce new API policies that will help both the government and private sectors work better together. This will ensure security and make things run smoother in the digital world.
  2. SaturnX has raised $3 million to expand its payment services in Asia. This funding will focus on improving their API platform for digital transactions.
  3. Bitdefender is strengthening its email protection by acquiring Mesh Security, which will enhance its security services and help respond faster to threats.

HTTP 204 Is the Best DELETE Response

The API Changelog • 0 implied HN points • 04 Jun 25
🕹 Technology APIs
  1. HTTP 204 is a good response for DELETE operations because it means the action was successful and there's no further info needed. An empty response is often the best way to say everything worked out.
  2. Some people believe that a DELETE operation should include details about what was deleted, but that's not always necessary. You can get that info by checking before you delete.
  3. While 204 is recommended for DELETE actions, there are other options too. Situations may require different responses, but 204 often works best for clear communication.

Integrating Multiple AI Agents

The API Changelog • 0 implied HN points • 11 Jul 25
🕹 Technology APIs
  1. Using multiple AI agents can help achieve tasks that require different skills and specializations. This makes it easier to tackle complex problems by dividing them into smaller parts.
  2. The Agent2Agent Protocol (A2A) simplifies how these AI agents communicate and collaborate. It helps them find and interact with each other smoothly to work as a team.
  3. Standardizing the way agents communicate is essential for effective collaboration. This helps ensure that agents share information correctly and can produce the best results together.

Machine-Oriented Use-Case Documentation

The API Changelog • 0 implied HN points • 22 Aug 25
🕹 Technology APIs
  1. It's important for API documentation to be clear and follow established standards so that machines can easily understand how to use them. When the documentation is done right, it helps machines know what to do with the data.
  2. Documenting how different API operations fit together is crucial for allowing users to create their own workflows. This means explaining how to connect operations and what each step does.
  3. Choosing the right names for input and output variables in APIs is key to avoiding confusion for machines. If names or data types don't match up, it can lead to errors or unexpected results in workflows.

Introducing the Ronin Forge Innovation Grant!

Ronin’s Newsletter • 0 implied HN points • 31 Jul 25
🕹 Technology APIs
  1. The Ronin Forge Innovation Grant offers $300K in funding for game and app developers, along with various supports to help them succeed.
  2. Building on Ronin means accessing a large user base and becoming part of an evolving app ecosystem, ideal for growing your project.
  3. To apply for the grant, developers should have a live product or a clear plan, and they can get help from experienced teams to launch their ideas quickly.

How a Web2 Company Uses Crypto to Power Open Data APIs

Olshansky's Newsletter • 0 implied HN points • 22 Aug 25
🔮 Crypto APIs
  1. There's a chance to create a main hub for finding open data APIs, similar to how Google helps us find websites.
  2. Currently, there's no real marketplace for APIs, making it hard for developers to find what they need.
  3. Two main things are needed: a way to easily find APIs, and assurance that the data they provide is reliable and high-quality.

Generating an API README with AI

The API Changelog • 0 implied HN points • 19 Dec 25
🕹 Technology APIs
  1. A clear, high-quality README is essential because a bad one can damage your API's reputation; it's better to have no README than a poor one.
  2. AI can generate good overview and getting-started sections from a complete machine-readable API spec like OpenAPI, but the spec must include onboarding details (auth, credentials) and starter operations should be tagged.
  3. Tag important operations by use case so AI can find and document them, and always review and manually approve any AI-generated README updates rather than fully automating the process.

API Prototyping in Practice

The API Changelog • 0 implied HN points • 06 Dec 25
🕹 Technology APIs
  1. Build small, just-in-time API prototypes to validate one assumption at a time and get real consumer feedback before you implement the full API.
  2. Use OpenAPI and mock-server tools to quickly turn specs into working prototypes you can share and iterate on as the spec changes.
  3. Prototyping reduces the risk of building unusable APIs, but adoption is limited by delivery pressure and the current lack of unified, low-cost tooling, so teams must weigh the upfront cost against long-term value.

Using MCP Tools Inside Workflows

The API Changelog • 0 implied HN points • 28 Nov 25
🕹 Technology APIs
  1. MCP is a standardized way to expose capabilities using JSON-RPC, so it talks about operations (not resources) and is easier to discover and consume than vague REST APIs.
  2. You can call MCP tools from workflows by making JSON-RPC requests, initializing a session to get the mcp-session-id, and mapping each tool's inputSchema to workflow inputs; outputs may be structured or unstructured and might need parsing.
  3. Putting MCP tools into workflows gives predictable, traceable, and more secure execution with easier debugging and reliability, though adapting unstructured tool outputs to procedural steps has some implementation cost.

Building Health Apps with Wearable Devices

The Healthtech Initiative • 0 implied HN points • 28 Jan 26
🕹 Technology APIs
  1. You can build a personal health vault web app without heavy coding by using Cursor's agent mode to scaffold the UI and logic while Terra API handles wearable integrations. Supabase stores the synced wearable data and medical files so the app can show charts and documents.
  2. The implementation steps are straightforward: get your Terra API key and Dev ID, add environment variables, create endpoints like /api/terra/connect and /api/terra/connections, and configure Supabase as a destination. Then add Terra's MCP (AI interface) so the app can run LLM-powered queries against the health data.
  3. Combining multi-year wearable data with medical documents and an LLM prompt engine lets you build timelines, strain/readiness scores, and warm-styled graphs to compare biomarkers like HRV, RHR, and VO2 Max around surgical or recovery events. This setup makes it easy to visualize recovery phases and surface correlations between wearable signals and medical records.

New Claude Code funsies

Aliveness Studies • 0 implied HN points • 07 Feb 26
🕹 Technology APIs
  1. Claude Code now has agent swarms — a team‑lead pattern that plans, delegates to subagents, and synthesizes results. It’s powerful but token‑hungry and gated behind a feature flag.
  2. Claude Code can write things to persistent memory and will store details unprompted, so it can remember information across interactions.
  3. In Plan mode you can 'compact chat and implement plan' which clears prior conversation and frees up context tokens so the agent can focus on implementing the plan.

Exposing Workflows as API Operations

The API Changelog • 0 implied HN points • 27 Feb 26
🕹 Technology APIs
  1. Make workflows callable as API operations so they can be triggered remotely by webhooks or other services instead of relying on slow, wasteful polling.
  2. Open standards like Arazzo (convertible to OpenAPI) let you describe and chain workflow steps as API operations, but the tooling is new and requires learning and setup.
  3. You can either use built-in webhook support or ready-made workflow tools, or fully convert workflows to OpenAPI; each choice has tradeoffs in complexity, maintenance, and required technical skill or hiring.

Write Your APIs Like You Write a Movie

On Engineering • 0 implied HN points • 03 Mar 26
🕹 Technology APIs
  1. Design your API as a clear workflow for AI actors by exposing chunky, outcome-focused tools instead of only low-level endpoints the agent must orchestrate.
  2. Make schemas, names, parameter descriptions, and especially error responses self-contained and consistent so an agent knows what happened, why it happened, and exactly what to do next.
  3. Test with real agents and multiple models, measure hallucinations and wrong-order calls, and be willing to redesign APIs for agent consumption rather than just wrapping existing endpoints.

Apps Are Dead; They Just Don’t Know It Yet

FREST Substack • 0 implied HN points • 10 Mar 26
🕹 Technology APIs
  1. Apps as isolated containers are becoming unmanageable because AI makes building software cheap, so organizing your digital life around thousands of separate apps won’t scale.
  2. The app model arose from economic moats like hard distribution and costly infrastructure, and those moats are eroding as infrastructure is commoditised and AI lowers development costs.
  3. The future is fluid computation over shared data, where AI lets you manipulate any data across tools and interfaces without being locked into individual apps.