Insights on Crypto Payments, Infrastructure, and Operations

Glossary terms starting with A

Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.

API Request

An API request is a structured message a client sends to an API to retrieve data, submit information, or invoke an operation.…

API Request Volume

API request volume is the total count of API requests observed within a defined scope, measurement point, and time period. API Request…

API Response

An API response is the structured result a server returns after receiving a request, including status, headers, data, error details, or acknowledgement.…

API Response Envelope

API Response Envelope is a consistent outer response structure that contains the primary result plus metadata such as status, errors, pagination, or…

API Sandbox

API Sandbox is a non-production API environment where developers use test credentials and controlled data to validate requests, responses, and workflows. It…

API Schema

API Schema is the formal definition of the structure, types, required fields, constraints, and relationships in API messages. It is used to…

API Security

API Security is a security mechanism or control discipline that protects application programming interfaces, their data, business logic, credentials, dependencies, and infrastructure…

API Security Misconfiguration

API Security Misconfiguration is a security weakness caused by unsafe, incomplete, inconsistent, or default configuration in an API gateway, application, cloud service,…

API Security Testing

API Security Testing is the structured evaluation of an API for authentication, authorization, input, business-logic, data-exposure, configuration, and availability weaknesses. It goes…

API Testing

API Testing is the systematic validation of API functionality, contracts, security, performance, and failure behavior. It is used to confirm that providers…

API Token

An API token is a credential value presented with API requests to represent an authenticated client, user, session, or delegated set of…

API Version

API Version is an identifier for a defined release or compatibility boundary of an API’s contract and behavior. It is used to…

API Version Compatibility

API Version Compatibility is the ability of a client, server, or integration built for one API version to operate correctly with another…

API Versioning

API versioning is the strategy for identifying, releasing, supporting, evolving, and retiring distinct API contracts as interfaces or behavior change. Developers using…

Application Account

An application account is a blockchain account associated with a deployed application or smart contract and used to hold assets, receive funds,…

Application Binary Interface (ABI)

An ABI is a machine-readable contract describing how software encodes calls, arguments, return values, and events when interacting with compiled code. Application…

Application Security

Application security is the discipline of designing, building, testing, deploying, and operating software to resist vulnerabilities, misuse, and unauthorized access. Application security…

Application Security Verification Standard

The Application Security Verification Standard is OWASP's structured set of requirements for evaluating and specifying technical security controls in applications. Application Security…

Application Token

An application token is a digital token designed for use within a specific blockchain application, protocol, game, marketplace, or service. It may…

Approval Phishing

Approval Phishing is a wallet-targeted attack that tricks a user into signing a token allowance, operator approval, permit, or similar authorization that…

Approval Policy

Approval Policy is a formal set of conditions determining who must review or authorize a wallet, vault, account, or transaction action before…

Approval Rate

Approval rate is the percentage of eligible payment attempts that receive approval from the relevant issuer, provider, risk system, or authorization process.…

Aptos Address

An Aptos address is the 32-byte identifier used to locate an account on the Aptos blockchain. It is normally displayed as a…