API tools
17 tools tagged with “API”
API Key Generator
Generate secure API keys for applications with customizable formats, prefixes, length, and character sets. Supports multiple key types (public/private, read/write), key rotation, and secure storage recommendations.
Developer Utilities · Code Generators
API Mock Server
Create and configure mock API endpoints with customizable HTTP methods, status codes, response delays, headers, and JSON bodies. Generate AI-powered mock data and test API integrations without backend dependencies.
Developer Utilities · API Development
API Response Formatter
Format, validate, and beautify API responses. Get AI-powered schema explanations, repair malformed JSON, format responses with proper indentation, and understand complex API data structures.
Developer Utilities · API Testing & Development
API Tester
Test and debug API endpoints with comprehensive diagnostics. Analyze request/response cycles, identify errors, get AI-powered troubleshooting suggestions, and validate API behavior.
Developer Utilities · API Testing & Development
CORS Tester
Test Cross-Origin Resource Sharing (CORS) configuration for APIs and websites. Perform live browser-based CORS tests, analyze CORS headers, and get AI-powered suggestions to fix CORS issues.
Developer Utilities · Network Testing
GET Request Tool
Execute HTTP GET requests with custom headers and query parameters. Parse URLs, validate inputs, display responses, and get AI-powered analysis of response data. Perfect for API testing and debugging.
Developer Utilities · API Development
GraphQL Formatter
Format and beautify GraphQL schemas, queries, and mutations with consistent indentation, proper field alignment, syntax validation, and error detection following GraphQL specification standards.
Developer Utilities · Code Formatters
GraphQL Mock Server
Generate mock GraphQL responses for testing and development. Enter a GraphQL schema and query, and get realistic mock data responses. Includes AI-powered schema generation and query suggestions.
Developer Utilities · Encoders & Decoders
GraphQL Playground
Execute GraphQL queries and mutations, explore schemas, analyze query complexity, and get AI-powered optimization suggestions. Test GraphQL APIs with live query insights, variable support, and response analysis.
Developer Utilities · API Development
HTTP Request Builder
Build and test HTTP requests with custom methods, headers, query parameters, and body content. Get AI-powered request optimization suggestions and generate code snippets for popular HTTP clients.
Developer Utilities · API Testing & Development
Mock API Response Generator
Generate realistic mock REST API responses for testing and development. Create JSON responses with customizable data structures, status codes, headers, and realistic sample data for API endpoints.
Developer Utilities · Encoders & Decoders
OAuth Playground
Test and simulate OAuth 2.0 authentication flows for various providers (Google, GitHub, Discord, Custom). Configure client credentials, scopes, authorization URLs, and token exchange with AI-powered scope suggestions.
Developer Utilities · API Development
OpenAPI/Swagger Editor
Edit, validate, and preview OpenAPI/Swagger specifications with live validation, interactive documentation preview, AI-powered error fixes, and template generation. Perfect for API design, documentation, and specification management.
Developer Utilities · API Development
POST Request Tool
Generate POST request payloads with AI assistance. Describe your API endpoint requirements and get properly formatted JSON payloads ready to use in your HTTP requests.
Developer Utilities · API Testing & Development
REST API Client
Test REST API endpoints with a full-featured client. Send requests, inspect responses, analyze API behavior with AI assistance, and debug integration issues. Perfect for API development and testing.
Developer Utilities · API Testing & Development
SOAP Client
Parse WSDL files, build SOAP envelopes, execute SOAP requests, and analyze responses with AI-powered security insights. Test SOAP web services, debug requests, and validate SOAP API integrations.
Developer Utilities · API Development
Webhook Tester
Test and debug webhooks by sending test requests, analyzing payloads, inspecting headers, and verifying webhook signatures. Perfect for validating webhook integrations and troubleshooting delivery issues.
Developer Utilities · API Testing & Development