Wild APIs

Mock Data

Every listing carries the same fields in the same order. Counts beside each filter update as you narrow.
31 listings of 104 in catalogue
APIPricingAuthFormatFree tierStatus
AddressMockGenerates format-correct sample addresses (street, city, ZIP, phone) for 7 countries, for testing forms.
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive
Anycrap35,000+ AI-generated absurdist product concepts with names, descriptions and images for mock data.
Developer Tools › Mock Data
FreeAPI keyJSONLive
Bacon IpsumGenerates meat-themed lorem ipsum filler text as paragraphs or sentences, in JSON, XML or plain text.
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive
BaconMockupPlaceholder meat/bacon JPEG images at any width x height, for design mockups and prototypes.
Developer Tools › Mock Data
NoneBinaryUnlimitedLive
DiceBearGenerates deterministic SVG avatars from a seed string, with 60+ art styles to pick from.
Developer Tools › Mock Data
FreeNoneXMLUnlimitedLive
DummyJSONFree placeholder REST API returning mock products, users, carts, posts and todos as JSON.
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive
ExtendsClass JSON StorageStore and fetch small JSON blobs (bins) over a simple REST API, for tutorials or mocking.
Developer Tools › Mock Data
FreeAPI keyJSON100–1k/dayUntested
FakeStoreAPIFake but realistic e-commerce data (products, carts, users, login) for prototyping shopping apps.
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive
flakyMock REST API for testing error handling: force status codes, latency or failure rates via query params.
Developer Tools › Mock Data
FreemiumNoneJSON10k+/dayLive
Format JSON Online Dummy APIFree canned REST endpoints (users, products, orders, analytics) for frontend testing.
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive
GeneradorDNI APIGenerates fake but checksum-valid Spanish DNI/NIE/CIF numbers, IBANs, profiles and vehicle data for testing.
Developer Tools › Mock Data
FreemiumNoneJSONUnlimitedLive
GoRESTRealistic fake users, posts, comments and todos with full CRUD, reseeded daily, for testing and prototyping.
Developer Tools › Mock Data
FreeAPI keyJSONUnlimitedLive
HipsumGenerates hipster-themed lorem ipsum placeholder text, plain or mixed with Latin words.
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive
ItsThisForThatGenerates random 'it's X for Y' startup-pitch name pairs as JSON, JSONP, or plain text.
Developer Tools › Mock Data
NoneJSONUnlimitedLive
JsonFabricaGenerates synthetic, relational JSON test data from reusable templates with sequences and batch jobs.
Developer Tools › Mock Data
Free trialAPI keyJSONLive
JSONingReady-made fake REST endpoints (products, users, carts, coupons) for prototyping frontends without a backend.
Developer Tools › Mock Data
FreeNoneJSONLive
JSONPlaceholderFake posts, comments, albums, photos, todos and users with relations; POST/PUT/PATCH/DELETE are simulated
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive
MockarooGenerates realistic fake/test data (names, addresses, etc.) as JSON, CSV, SQL or XML.
Developer Tools › Mock Data
FreemiumAPI keyJSON100–1k/dayLive
OYYI88+ endpoints for image editing, PDF manipulation, OCR and AI vision/document intelligence.
Developer Tools › Mock Data
FreemiumAPI keyJSON100–1k/dayUntested
PlaceBearServes placeholder bear photos at any pixel size via a simple URL pattern, no key needed.
Developer Tools › Mock Data
FreeNoneBinaryUnlimitedLive
Random ProfilesGenerates fake user profiles and company records, 100+ fields each, with photos for seed/test data.
Developer Tools › Mock Data
FreeAPI keyJSON100–1k/dayLive
RandommerGenerates fake names, addresses, phone numbers, text, hashes and other mock data for testing.
Developer Tools › Mock Data
FreemiumAPI keyJSON1k–10k/dayLive
RandomUserGenerates randomized fake user profiles (name, address, photo, login) for testing apps.
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive
ReqResHosted mock REST API with fake user, order and post data for testing frontend code and QA automation.
Developer Tools › Mock Data
FreemiumNoneJSON100–1k/dayLive
restful-api.devFake CRUD REST API with sample product data for testing and prototyping HTTP clients.
Developer Tools › Mock Data
FreemiumNoneJSON<100/dayLive
RoboHashTurns any text/hash into a deterministic robot, monster, cat, or avatar image for placeholder use.
Developer Tools › Mock Data
FreeNoneBinaryUnlimitedLive
SampuliGenerates synthetic, format-valid test data (people, IBANs, IDs, VINs) for 90 countries, no key needed.
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive
UUID GeneratorGenerates v1, v3, v4, v5 and timestamp-first UUIDs, singly or in bulk, and decodes existing ones.
Developer Tools › Mock Data
FreeNoneJSON10k+/dayLive
Waldrand AvatarGenerates a stable SVG, PNG or WebP avatar/identicon from any string, no key or account needed.
Developer Tools › Mock Data
FreeNoneBinary10k+/dayLive
What The CommitRandom, joke commit-message generator, also available as plain text or JSON with a permalink.
Developer Tools › Mock Data
NoneJSONUnlimitedLive
Yes NoReturns a random yes, no, or rare maybe answer with a matching reaction GIF; supports forcing an answer.
Developer Tools › Mock Data
FreeNoneJSONUnlimitedLive