Build and test SOAP API envelopes with WSDL URL, method name, and XML parameters. Generate complete SOAP request envelopes. Code never leaves your device — formatting and validation run locally in your browser.
Content reviewed October 2026 · About Toolzum
Build HTTP requests with method, URL, headers, and body — then generate matching curl commands. Prototype endpoints without leaving the tab — local, free, no signup.
Build JSON-RPC 2.0 request envelopes with method, params, and IDs. Talk to Ethereum nodes and RPC APIs correctly — local building, free, no signup.
Flatten JSON objects into URL query strings — nest with bracket notation. Build ?filter[x]=1 links from API objects — local conversion, free, no signup.
Converts JSON files to XML format — APIs, configuration files, and data exchange between web services to enterprise systems, SOAP APIs, document formatting, and legacy integration pipelines.
Converts CSV files to XML format — spreadsheets, database exports, and data imports to enterprise systems, SOAP APIs, document formats like DOCX and SVG. All conversion happens locally in your browser with no file size limits.
The WSDL endpoint plus operation name — envelopes build from there.
Basic, WS-Security, and custom headers all attachable before sending.
Enterprise and banking systems run on it — testing stays relevant.
No — requests assemble locally in your browser, free with no signup.
A POST of the built envelope as text/xml with a SOAPAction header set to your method name; the namespace defaults to the endpoint origin plus /service. It aborts after 25 seconds and shows the first 8,000 response characters.
API Tester
Test any HTTP endpoint by sending GET, POST, PUT, or DELETE requests directly from your browser. View response status, headers, and body.
API Request Builder
Build HTTP requests with method, URL, headers, and body — then generate matching curl commands. Prototype endpoints without leaving the tab — local, free, no signup.