Mock Data
Every listing carries the same fields in the same order. Counts beside each filter update as you narrow.
| API | Pricing | Auth | Format | Free tier | Status |
|---|---|---|---|---|---|
AddressMockGenerates format-correct sample addresses (street, city, ZIP, phone) for 7 countries, for testing forms. Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
Anycrap35,000+ AI-generated absurdist product concepts with names, descriptions and images for mock data. Developer Tools › Mock Data | Free | API key | JSON | — | Live |
Bacon IpsumGenerates meat-themed lorem ipsum filler text as paragraphs or sentences, in JSON, XML or plain text. Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
BaconMockupPlaceholder meat/bacon JPEG images at any width x height, for design mockups and prototypes. Developer Tools › Mock Data | None | Binary | Unlimited | Live | |
DiceBearGenerates deterministic SVG avatars from a seed string, with 60+ art styles to pick from. Developer Tools › Mock Data | Free | None | XML | Unlimited | Live |
DummyJSONFree placeholder REST API returning mock products, users, carts, posts and todos as JSON. Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
English Random WordsRandom English words with definitions and pronunciations; also covers six other languages. Developer Tools › Mock Data | Free | None | JSON | — | Down |
ExtendsClass JSON StorageStore and fetch small JSON blobs (bins) over a simple REST API, for tutorials or mocking. Developer Tools › Mock Data | Free | API key | JSON | 100–1k/day | Untested |
FakeStoreAPIFake but realistic e-commerce data (products, carts, users, login) for prototyping shopping apps. Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
flakyMock REST API for testing error handling: force status codes, latency or failure rates via query params. Developer Tools › Mock Data | Freemium | None | JSON | 10k+/day | Live |
Format JSON Online Dummy APIFree canned REST endpoints (users, products, orders, analytics) for frontend testing. Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
GeneradorDNI APIGenerates fake but checksum-valid Spanish DNI/NIE/CIF numbers, IBANs, profiles and vehicle data for testing. Developer Tools › Mock Data | Freemium | None | JSON | Unlimited | Live |
GoRESTRealistic fake users, posts, comments and todos with full CRUD, reseeded daily, for testing and prototyping. Developer Tools › Mock Data | Free | API key | JSON | Unlimited | Live |
HipsumGenerates hipster-themed lorem ipsum placeholder text, plain or mixed with Latin words. Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
ItsThisForThatGenerates random 'it's X for Y' startup-pitch name pairs as JSON, JSONP, or plain text. Developer Tools › Mock Data | None | JSON | Unlimited | Live | |
JsonFabricaGenerates synthetic, relational JSON test data from reusable templates with sequences and batch jobs. Developer Tools › Mock Data | Free trial | API key | JSON | — | Live |
JSONingReady-made fake REST endpoints (products, users, carts, coupons) for prototyping frontends without a backend. Developer Tools › Mock Data | Free | None | JSON | — | Live |
JSONPlaceholderFake posts, comments, albums, photos, todos and users with relations; POST/PUT/PATCH/DELETE are simulated Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
MockarooGenerates realistic fake/test data (names, addresses, etc.) as JSON, CSV, SQL or XML. Developer Tools › Mock Data | Freemium | API key | JSON | 100–1k/day | Live |
OYYI88+ endpoints for image editing, PDF manipulation, OCR and AI vision/document intelligence. Developer Tools › Mock Data | Freemium | API key | JSON | 100–1k/day | Untested |
PlaceBearServes placeholder bear photos at any pixel size via a simple URL pattern, no key needed. Developer Tools › Mock Data | Free | None | Binary | Unlimited | Live |
Random ProfilesGenerates fake user profiles and company records, 100+ fields each, with photos for seed/test data. Developer Tools › Mock Data | Free | API key | JSON | 100–1k/day | Live |
RandommerGenerates fake names, addresses, phone numbers, text, hashes and other mock data for testing. Developer Tools › Mock Data | Freemium | API key | JSON | 1k–10k/day | Live |
RandomUserGenerates randomized fake user profiles (name, address, photo, login) for testing apps. Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
ReqResHosted mock REST API with fake user, order and post data for testing frontend code and QA automation. Developer Tools › Mock Data | Freemium | None | JSON | 100–1k/day | Live |
restful-api.devFake CRUD REST API with sample product data for testing and prototyping HTTP clients. Developer Tools › Mock Data | Freemium | None | JSON | <100/day | Live |
RoboHashTurns any text/hash into a deterministic robot, monster, cat, or avatar image for placeholder use. Developer Tools › Mock Data | Free | None | Binary | Unlimited | Live |
SampuliGenerates synthetic, format-valid test data (people, IBANs, IDs, VINs) for 90 countries, no key needed. Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
UUID GeneratorGenerates v1, v3, v4, v5 and timestamp-first UUIDs, singly or in bulk, and decodes existing ones. Developer Tools › Mock Data | Free | None | JSON | 10k+/day | Live |
Waldrand AvatarGenerates a stable SVG, PNG or WebP avatar/identicon from any string, no key or account needed. Developer Tools › Mock Data | Free | None | Binary | 10k+/day | Live |
What The CommitRandom, joke commit-message generator, also available as plain text or JSON with a permalink. Developer Tools › Mock Data | None | JSON | Unlimited | Live | |
Yes NoReturns a random yes, no, or rare maybe answer with a matching reaction GIF; supports forcing an answer. Developer Tools › Mock Data | Free | None | JSON | Unlimited | Live |
AddressMockFreeLive
Generates format-correct sample addresses (street, city, ZIP, phone) for 7 countries, for testing forms.
None · JSON
Unlimited
OpenAPI spec · llms.txt
AnycrapFreeLive
35,000+ AI-generated absurdist product concepts with names, descriptions and images for mock data.
API key · JSON
—
no machine-readable spec
Bacon IpsumFreeLive
Generates meat-themed lorem ipsum filler text as paragraphs or sentences, in JSON, XML or plain text.
None · JSON
Unlimited
no machine-readable spec
BaconMockupLive
Placeholder meat/bacon JPEG images at any width x height, for design mockups and prototypes.
None · Binary
Unlimited
no machine-readable spec
DiceBearFreeLive
Generates deterministic SVG avatars from a seed string, with 60+ art styles to pick from.
None · XML
Unlimited
llms.txt
DummyJSONFreeLive
Free placeholder REST API returning mock products, users, carts, posts and todos as JSON.
None · JSON
Unlimited
no machine-readable spec
English Random WordsFreeDown
Random English words with definitions and pronunciations; also covers six other languages.
None · JSON
—
no machine-readable spec
ExtendsClass JSON StorageFreeUntested
Store and fetch small JSON blobs (bins) over a simple REST API, for tutorials or mocking.
API key · JSON
100–1k/day
OpenAPI spec
FakeStoreAPIFreeLive
Fake but realistic e-commerce data (products, carts, users, login) for prototyping shopping apps.
None · JSON
Unlimited
OpenAPI spec
flakyFreemiumLive
Mock REST API for testing error handling: force status codes, latency or failure rates via query params.
None · JSON
10k+/day
OpenAPI spec · llms.txt
Format JSON Online Dummy APIFreeLive
Free canned REST endpoints (users, products, orders, analytics) for frontend testing.
None · JSON
Unlimited
llms.txt
GeneradorDNI APIFreemiumLive
Generates fake but checksum-valid Spanish DNI/NIE/CIF numbers, IBANs, profiles and vehicle data for testing.
None · JSON
Unlimited
no machine-readable spec
GoRESTFreeLive
Realistic fake users, posts, comments and todos with full CRUD, reseeded daily, for testing and prototyping.
API key · JSON
Unlimited
no machine-readable spec
HipsumFreeLive
Generates hipster-themed lorem ipsum placeholder text, plain or mixed with Latin words.
None · JSON
Unlimited
no machine-readable spec
ItsThisForThatLive
Generates random 'it's X for Y' startup-pitch name pairs as JSON, JSONP, or plain text.
None · JSON
Unlimited
no machine-readable spec
JsonFabricaFree trialLive
Generates synthetic, relational JSON test data from reusable templates with sequences and batch jobs.
API key · JSON
—
llms.txt
JSONingFreeLive
Ready-made fake REST endpoints (products, users, carts, coupons) for prototyping frontends without a backend.
None · JSON
—
no machine-readable spec
JSONPlaceholderFreeLive
Fake posts, comments, albums, photos, todos and users with relations; POST/PUT/PATCH/DELETE are simulated
None · JSON
Unlimited
no machine-readable spec
MockarooFreemiumLive
Generates realistic fake/test data (names, addresses, etc.) as JSON, CSV, SQL or XML.
API key · JSON
100–1k/day
no machine-readable spec
OYYIFreemiumUntested
88+ endpoints for image editing, PDF manipulation, OCR and AI vision/document intelligence.
API key · JSON
100–1k/day
llms.txt
PlaceBearFreeLive
Serves placeholder bear photos at any pixel size via a simple URL pattern, no key needed.
None · Binary
Unlimited
no machine-readable spec
Random ProfilesFreeLive
Generates fake user profiles and company records, 100+ fields each, with photos for seed/test data.
API key · JSON
100–1k/day
OpenAPI spec · MCP server · llms.txt
RandommerFreemiumLive
Generates fake names, addresses, phone numbers, text, hashes and other mock data for testing.
API key · JSON
1k–10k/day
OpenAPI spec
RandomUserFreeLive
Generates randomized fake user profiles (name, address, photo, login) for testing apps.
None · JSON
Unlimited
no machine-readable spec
ReqResFreemiumLive
Hosted mock REST API with fake user, order and post data for testing frontend code and QA automation.
None · JSON
100–1k/day
llms.txt
restful-api.devFreemiumLive
Fake CRUD REST API with sample product data for testing and prototyping HTTP clients.
None · JSON
<100/day
no machine-readable spec
RoboHashFreeLive
Turns any text/hash into a deterministic robot, monster, cat, or avatar image for placeholder use.
None · Binary
Unlimited
no machine-readable spec
SampuliFreeLive
Generates synthetic, format-valid test data (people, IBANs, IDs, VINs) for 90 countries, no key needed.
None · JSON
Unlimited
llms.txt
UUID GeneratorFreeLive
Generates v1, v3, v4, v5 and timestamp-first UUIDs, singly or in bulk, and decodes existing ones.
None · JSON
10k+/day
no machine-readable spec
Waldrand AvatarFreeLive
Generates a stable SVG, PNG or WebP avatar/identicon from any string, no key or account needed.
None · Binary
10k+/day
no machine-readable spec
What The CommitLive
Random, joke commit-message generator, also available as plain text or JSON with a permalink.
None · JSON
Unlimited
no machine-readable spec
Yes NoFreeLive
Returns a random yes, no, or rare maybe answer with a matching reaction GIF; supports forcing an answer.
None · JSON
Unlimited
no machine-readable spec
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