Research

REST API Explained: Design, Security & Best Practices

Learn REST API fundamentals, secure design patterns, observability, and tooling. Practical guidance for building scalable, maintainable REST APIs and integrating with AI and services today for teams.
Token Metrics Team
4
MIN

REST APIs are the connective tissue of modern web and mobile applications. Whether you're integrating services, building microservices, or exposing data for AI agents, a clear grasp of REST API principles helps you design interfaces that are maintainable, performant, and secure. This guide walks through the core concepts, practical design patterns, authentication and security considerations, and tooling that make REST APIs reliable in production.

What is a REST API and core principles

REST (Representational State Transfer) is an architectural style that uses standard HTTP verbs and status codes to manipulate resources. Key tenets include:

  • Statelessness: Each request contains all information needed to process it; servers don’t maintain client session state.
  • Resources and representations: Resources are identified by URIs; responses return representations (JSON, XML) describing resource state.
  • Uniform interface: Use predictable HTTP methods (GET, POST, PUT, DELETE, PATCH) and status codes for consistent client-server interaction.
  • Layered system: Clients need not be aware of whether they communicate with the origin server or an intermediary.

Understanding these principles helps when choosing between REST, GraphQL, or RPC for a given use case. REST is well-suited for CRUD-style operations, caching, and wide compatibility with HTTP tooling.

Design patterns: resources, versioning, and idempotency

Good API design starts with modeling resources and their relationships. Practical patterns include:

  • Resource naming: Use plural nouns and hierarchical paths (e.g., /users/{userId}/orders).
  • Versioning: Use URL or header-based versioning (e.g., /v1/ or Accept header) to avoid breaking clients.
  • Idempotency: Ensure methods like PUT and DELETE can be retried safely; supply idempotency keys for POST when necessary.
  • Pagination and filtering: Provide cursor-based or offset-based pagination, with clear metadata for total counts and next cursors.

Design with backward compatibility in mind: deprecate endpoints with clear timelines, and prefer additive changes over breaking ones.

Authentication, authorization, and security considerations

Security is non-negotiable. Common, interoperable mechanisms include:

  • API keys: Simple and useful for identifying applications, but pair with TLS and usage restrictions.
  • OAuth 2.0: Industry-standard for delegated authorization in user-centric flows; combine with short-lived tokens and refresh tokens.
  • JWTs: JSON Web Tokens are compact bearer tokens useful for stateless auth; validate signatures and expiration, and avoid storing sensitive data in payloads.
  • Transport security: Enforce TLS (HTTPS) everywhere and use HSTS policies; mitigate mixed-content risks.
  • Rate limiting & throttling: Protect backends from abuse and accidental spikes; return clear headers that expose remaining quota and reset times.

Also consider CORS policies, input validation, and strict output encoding to reduce injection risks. Implement principle of least privilege for every endpoint and role.

Performance, observability, and tooling

Operational maturity requires monitoring and testing across the lifecycle. Focus on these areas:

  • Caching: Use HTTP cache headers (Cache-Control, ETag) and CDN fronting for public resources to reduce latency and load.
  • Instrumentation: Emit structured logs, request traces (OpenTelemetry), and metrics (latency, error rate, throughput) to diagnose issues quickly.
  • API specifications: Define schemas with OpenAPI/Swagger to enable client generation, validation, and interactive docs.
  • Testing: Automate contract tests, integration tests, and fuzzing for edge cases; run load tests to establish scaling limits.
  • Developer experience: Provide SDKs, clear examples, and consistent error messages to accelerate integration and reduce support overhead.

Tooling choices—Postman, Insomnia, Swagger UI, or automated CI checks—help maintain quality as the API evolves. For AI-driven integrations, exposing well-documented JSON schemas and stable endpoints is critical.

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What is REST and when should I choose it?

REST is ideal for resource-oriented services where standard HTTP semantics are beneficial. Choose REST when caching, simplicity, wide client compatibility, and predictable CRUD semantics are priorities. For highly dynamic queries, consider GraphQL as a complement rather than a replacement.

How do I manage breaking changes?

Version endpoints, use feature flags, and publish changelogs with migration guides. Prefer additive changes (new fields, new endpoints) and give clients time to migrate before removing legacy behavior.

What authentication method should I implement?

Match the method to the use case: API keys for server-to-server integrations, OAuth 2.0 for delegated user access, and JWTs for stateless session claims. Always layer these with TLS and short token lifetimes.

How should I handle rate limits and abuse?

Enforce per-key and per-IP limits, surface quota headers, and provide graceful 429 responses with a Retry-After header. Use adaptive throttling to protect critical downstream systems.

Which tools help maintain a healthy API lifecycle?

Adopt OpenAPI for specs, use Postman or Swagger UI for exploratory testing, integrate contract tests into CI, and deploy observability stacks (Prometheus, Grafana, OpenTelemetry) to monitor behavior in production.

Disclaimer

This article is for educational and technical guidance only. It does not constitute legal, security, or operational advice. Evaluate risks and compliance requirements against your own environment before implementing changes.

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Token Metrics Team
Token Metrics Team

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Research

Andrena and the Rise of DePIN: Decentralized Internet in 2025

Token Metrics Team
8 min
MIN

Introduction:
Decentralized Physical Infrastructure Networks (DePINs) are rapidly emerging as one of the most transformative sectors in the blockchain space. In 2025, projects like Andrena are pushing the boundaries of what’s possible by bridging real-world hardware with decentralized protocols. This blog takes a closer look at the DePIN thesis, Andrena’s approach, and why this project is on the radar of top investors and analysts.

What Is DePIN?

DePIN stands for Decentralized Physical Infrastructure Networks. It refers to blockchain-powered networks that coordinate real-world infrastructure using token-based incentives. Use cases include:

  • Wireless internet (e.g., Helium)
  • Sensor networks (e.g., WeatherXM)
  • Storage and compute (e.g., Filecoin, Akash, Arweave)
  • Energy grids (e.g., PowerPod)

In short, DePINs decentralize infrastructure deployment and management using blockchain-based coordination tools.

Why DePIN Matters in 2025

  1. Infrastructure Gaps: Billions remain unconnected to the internet or lack access to basic digital services. DePINs offer a way to close these gaps without reliance on centralized telecoms.
  2. Token Incentives for Network Participation: Hardware operators are rewarded for contributing bandwidth, compute, or coverage—creating a new economic model.
  3. Real-World Utility: Unlike speculative tokens, DePIN projects often provide visible, tangible value from day one.

Introducing Andrena: The Helium of the Internet?

Andrena is a DePIN project building a decentralized internet backbone through a combination of physical devices and blockchain protocols. The project is developing a hardware device called Black Box, expected to launch in July.

Key features:

  • Distributed, peer-to-peer wireless coverage
  • Web3 native incentives for node operators
  • No reliance on centralized ISPs
  • Tentative deployments in New York City, Mexico City, and Accra
  • Deep integration with Helium Network and its infrastructure

Andrena aims to give individuals and communities the power to run their own internet access points and be compensated in a decentralized system.

Why It’s Generating Buzz

Token Metrics researchers flagged Andrena as a top pick for long-term infrastructure exposure. Here's why:

  • Backed by Top VCs: In its upcoming Series B, Andrena is reportedly raising funds from major firms including Polychain Capital, Archetype, Wintermute, and Coinbase Ventures.
  • Mass Market Vision: The goal is not just to serve crypto-native users, but also everyday consumers who simply want affordable, decentralized internet access.
  • Multi-layered Integration: Andrena will offer both physical routers and a browser extension, enabling different levels of participation.

Strategic Partnerships and Rollout

The project is currently in soft-launch mode with localized pilots and is pursuing exchange listings later this year. While details remain limited, the focus is on building a global decentralized ISP layer—a radical shift from the existing internet access model.

Why Andrena Could Succeed Where Others Struggled

Previous attempts at decentralized internet often failed due to:

  • Poor hardware UX
  • Limited adoption outside of crypto users
  • Unclear monetization models

Andrena appears to be addressing these pain points with:

  • Consumer-grade devices
  • Partner integrations (e.g., Helium)
  • Clear token utility tied to network usage and coverage
  • A well-capitalized, experienced founding team

Risks and Unknowns

As with all early-stage infrastructure projects, there are risks:

  • Uncertain regulatory frameworks around ISPs
  • Capital intensity of hardware production and distribution
  • Network growth dependent on physical deployment
  • Limited token utility details at this stage

Investors and builders should stay informed as more information becomes public.

How Token Metrics Is Tracking DePIN Growth

The Token Metrics platform is actively monitoring the DePIN space through metrics such as:

  • TVL (Total Value Locked) in related ecosystems
  • Developer activity and GitHub velocity
  • On-chain signal strength and token accumulation
  • Fundamental and technical ratings

Projects like Andrena and its ecosystem partners are closely watched for early indicators of momentum.

Final Thoughts

DePIN is one of the most compelling frontiers in crypto. It offers real-world, real-time applications that go far beyond speculation. Andrena is at the center of this movement, blending telecom hardware, Web3 incentives, and global deployment.

While it's still early, the signs are promising. From reputable backers to ambitious global plans, Andrena is a project worth watching in 2025 and beyond.

Research

Meme Coins in 2025: Why They’re Still Outperforming the Crypto Market

Token Metrics Team
8 min
MIN

Introduction:
Even in a sluggish crypto market, meme coins continue to outperform many other asset classes. In 2025, these highly speculative assets are not only surviving—some are thriving. This blog examines the current state of the meme coin market, what’s driving the activity, and how on-chain data and crypto analytics can help decode the chaos.

Meme Coins: Still Relevant in 2025?

Despite a broadly bearish macro environment, meme coins remain among the few bright spots in the crypto market. In the latest Token Metrics research webinar, several meme tokens showed outsized returns, including:

  • Gorbagana – up over 50% in a day
  • Useless Coin – jumped 40% in 24 hours
  • Startup Coin – nearly 9x returns over the past month

These tokens operate at low market caps and often launch with little or no formal whitepaper or utility. However, the power of narrative, social engagement, and rapid speculation continues to drive short-term gains.

Why Meme Coins Are Performing in a Bear Market

1. Low Liquidity, High Volatility:
Small-cap meme tokens can easily generate parabolic moves with modest capital inflows.

2. Community-Led Narratives:
Tokens like Useless Coin and Startup thrive on viral momentum from crypto-native communities, particularly on X (Twitter) and Telegram.

3. Whale Activity as a Signal:
Token Metrics analysts observed that whales have been accumulating select meme coins. This isn’t an endorsement—but it’s a data point. Monitoring on-chain whale behavior offers clues about where smart money is moving.

The Gobagana Case Study

Gobagana was cited as a high-risk Solana fork with minimal public information, yet it rapidly gained traction. On-chain analysis revealed:

  • Whale wallets accumulating in the early phase
  • Early VC insiders (e.g., those connected to Big Brain VC) engaging with the token
  • Rapid social engagement despite a small follower base

The takeaway? Even opaque meme coins can trigger major rallies—particularly if accumulation patterns align with social volume.

Risk Management and Red Flags

The meme coin market is not without risk. The Token Metrics team emphasized several cautions:

  • Illiquidity: Many meme tokens have low volume and limited exchange listings.
  • Exit scams or soft rugs: Teams can abandon the project after price pumps.
  • Price discovery volatility: Tokens may have no clear valuation baseline and can retrace sharply.

As such, these assets are often best approached with a high-risk tolerance and clear entry/exit rules.

How to Track Meme Coins Like a Quant

Using crypto analytics platforms like Token Metrics can help make sense of meme coin volatility. Tools that help include:

  • Real-time sentiment analysis
  • Whale wallet tracking
  • Price-to-volume anomaly detection
  • Bullish/bearish signal tracking

In 2025, data is more important than hype. While memes may dominate the narrative, only data reveals when the momentum shifts.

Meme Coins vs. Infrastructure Projects

Interestingly, while meme coins have been surging, many infrastructure or protocol tokens remain flat. This divergence suggests that retail attention is still focused on short-term speculation.

That said, once Bitcoin breaks key resistance levels, we could see capital rotate into AI, DeFi, and infrastructure themes. Meme coins may be the “canary in the coal mine” indicating renewed retail appetite.

Final Thoughts

Meme coins remain the wild west of crypto—but they aren’t going away. In fact, they’re becoming more sophisticated, with deeper liquidity pools, faster launches, and increased integration with social media bots and automated token creators.

As always, meme coin trading demands discipline, skepticism, and a robust toolkit. Watch the whales, follow the data, and never trade what you don’t understand.

Research

How to Find Hidden Crypto Gems with 100x Potential (Step-by-Step Guide) | Token Metrics Moonshots

Token Metrics Team
8 min
MIN

In the fast-paced world of cryptocurrency, discovering hidden gems—often called moonshots—can lead to life-changing returns. But the real challenge lies in separating hype from actual potential. In this guide, we’ll break down what crypto moonshots are, how they work, and how you can use Token Metrics to reliably find tokens with 100x upside.

What Are Moonshot Tokens?

The term moonshot comes from the idea of a crypto token “going to the moon,” or rapidly increasing in price. These are usually low-cap tokens with a compelling narrative, innovative technology, or early-stage market presence that give them high upside potential.

Key Characteristics of Moonshot Tokens:

  • Market Cap Below $50M – Smaller market caps have more room to grow.
  • High Risk / High Reward – Volatility is expected, but the upside can be enormous.
  • Early Entry – Timing matters. Getting in early before mainstream awareness is key.
  • Backed by Fundamentals – Even moonshots need solid technology, use cases, or backing.

How Do Crypto Moonshots Work?

Moonshots rely on the combination of innovation, market timing, and community adoption. They often start unnoticed, then experience exponential growth once crypto traders and influencers catch on.

The Lifecycle of a Typical Moonshot:

  1. Discovery Phase – A few savvy investors or analysts spot the token.
  2. Accumulation Phase – Early adopters buy in quietly, keeping prices low.
  3. Breakout Phase – News spreads, and trading volume spikes.
  4. Parabolic Run – FOMO (Fear of Missing Out) kicks in, driving price up rapidly.
  5. Profit-Taking or Collapse – Smart traders exit with gains; latecomers may be left holding the bag.

To avoid the trap of hype-driven tokens, it's essential to use data and analytics, not emotions. That’s where Token Metrics becomes your secret weapon.

How to Use Token Metrics to Find Monshots?

Token Metrics is an AI-powered crypto analytics platform that helps you discover high-potential tokens with real-time data, grades, and backtested indicators. Here’s a step-by-step guide to using Token Metrics to uncover 100x opportunities:

Step 1: Go to the Ratings Page

Start from the main dashboard of the Token Metrics app.

  • Navigate to the “Ratings” tab.
  • This page ranks thousands of tokens using AI-based Trader Grade and Investor Grade, factoring in technical indicators, on-chain metrics, sentiment, and more.

Pro Tip: Look for tokens with rising Trader Grades and strong historical performance.

Step 2: Click on the “Moonshots” Tab

Once you’re in the Ratings section:

  • Click the “Moonshots” tab at the top of the page.
  • This will filter the list down to tokens the AI model flags as having moonshot potential—i.e., tokens likely to perform exceptionally well in the short term.

These are automatically generated by Token Metrics AI models using over 80+ data points, including:

  • Price momentum
  • On-chain activity
  • Sentiment analysis
  • Volume spikes
  • Market structure

Step 3: Review Key Moonshot Metrics

Each Moonshot token is presented with a rich dataset to help you make informed decisions:

  • Trader Grade (with % change in past 24h or 7d)
  • 24H Trading Volume – Gauge market interest
  • Market Cap – Lower caps typically offer more upside
  • Date of Entry – See when the token was first flagged
  • Live ROI Since Moonshot – Know exactly how past picks performed

Bonus Feature: Toggle to “Past Moonshots” to review previous winners and assess the track record of the platform.

Step 4: Choose a Token to Explore

Click on any token in the Moonshots list to open its Token Details Page.

Here, you can:

  • Analyze real-time charts
  • Review fundamentals, like project utility, tokenomics, roadmap, and team
  • See top holders and whale activity
  • Examine price volatility and volume patterns

This is where research and intuition meet. Use the available data to decide if this token fits your risk tolerance and investment thesis.

Step 5: Buy in Seconds

Token Metrics makes the process seamless:

  • Just click the “Buy” button on the Moonshots page.
  • This opens a swap widget powered by integrated DEX aggregators.
  • Choose your wallet, approve the transaction, and you're done—no need to leave the platform.

This integration eliminates the hassle of going to third-party platforms to execute trades, saving time and reducing risk.

Why Use Token Metrics for Finding Moonshots?

Token Metrics isn’t just about flashy picks—it’s about using data science and AI to gain an edge.

Key Benefits:

  • AI-Driven Insights – No emotional bias; just pure data analysis.
  • Transparency – View past moonshot performance, live ROI, and update dates.
  • Speed to Trade – Instant buy options right from the dashboard.
  • Performance Tracking – Evaluate your results based on entry/exit signals.

Real Examples: Token Metrics in Action

  • Euler Finance was flagged as a Moonshot before its 30% rally—validated by a bullish AI signal.
  • Morpho gained traction after appearing in the Moonshots list, later becoming a top TVL gainer.
  • Hyperliquid made the list before capturing major perp trading market share.

By combining early AI alerts with your own due diligence, you can position yourself ahead of the crowd.

Final Thoughts

Finding the next 100x crypto gem doesn’t have to be a guessing game. While the crypto space remains volatile, tools like Token Metrics help stack the odds in your favor. From real-time ratings to instant buy options and performance metrics, you have everything you need to make smart, data-driven bets on the future of crypto.

So if you're serious about turning small investments into big wins, start using Token Metrics to uncover moonshots before they go mainstream.

Try Token Metrics today and unlock the power of AI-driven crypto investing.

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