Unstable preview. Pages, data and API fields can change or break without notice, so please don't rely on this for anything critical yet. See what has changed.
Agent Service Directory

Validate and test

Linters, schema and contract validators, test generation and CI test results.

63in the directory
109more in the index

Every service we watch, including those that do not meet our listing criteria. Agents can run the same query at /api/v1/services?scope=index&branch=compute%2Fdeveloper-data%2Ftesting.

More filters
Clear filters

172 matching · showing 1–50 · sorted by most evidence · page 1 of 4 Next →

Full tableChecksPayment termsRegistry figuresListing JSON

Our checks (unpaid requests)Payment termsReported by the registryListing
ServiceLatest scheduled checkScheduled checks passed / run (30-day window)Response time of latest check (ms)Check scheduleFreshnessMonitoring sinceLowest price per call (US$)Payment protocols offeredPayment networksPayment-terms changes (90 days)Registry: unique payers (30 days)Registry: paid calls (30 days)What it does (capability tree)TypeAdded fromPurpose tagsProviderEndpoint we check
Forest Infrahttp--forest-gas-station-mainnet… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day146dailyFresh2026-10-17$0.003registry's termsx402eip155:84530since 2026-10-1745Find and work with repositories
Validate and test
Paid APIA public registryrepoactionshttp--forest-gas-station-mainnet--lcjl27p8lmjs.code.run96 endpointsPOST http--forest-gas-station-mainnet--lcjl27…
Hermes Commerceagent.kihustle.tech Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 2 days290dailyFresh2026-10-16$0.01registry's termsx402eip155:84530since 2026-10-1647File and data conversion
Validate and test
Paid APIA public registryhermesmicrojson-repair+2kihustle.tech3 endpointsPOST agent.kihustle.tech/services/json-schema…
JSON Schema inferagent402.tools Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day334dailyFresh2026-10-16$0.001registry's termsx402, mppeip155:8453eip155:137+110since 2026-10-1645Validate and test
File and data conversion
Paid APIA public registryvalidationjsonschema+2agent402.tools671 endpointsPOST agent402.tools/api/json-schema-infer
Mekler AIapi.mekler.ai Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day118dailyFresh2026-10-17$0.05registry's termsx402solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpeip155:84530since 2026-10-1744Validate and testPaid APIA public registrycsvschema-validationdata-contractsmekler.ai18 endpointsPOST api.mekler.ai/v1/data/csv/validate-colum…
MimirAPImimirapi.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 2 days114dailyFresh2026-10-16$0.001registry's termsx402eip155:84530since 2026-10-1649Validate and testPaid APIA public registrytestlivenessx402+1mimirapi.com12 endpointsGET mimirapi.com/v1/ping
SchemaCheck Agentprojectx402-production.up.railwa… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day118dailyFresh2026-10-16$0.002registry's termsx402eip155:84530since 2026-10-1645Validate and testPaid APIA public registryjsonjson-schemavalidation+2projectx402-production.up.railway.appPOST projectx402-production.up.railway.app/v1…
tempo.halowerk.comtempo.halowerk.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day430dailyFresh2026-10-17$0.001registry's termsx402eip155:84530since 2026-10-1744Validate and testPaid APIA public registry—halowerk.com872 endpointsPOST tempo.halowerk.com/v1/pruef/tempo/gesamt…
x402 Doctorx402-doctor.fizzl.eu Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day347dailyFresh2026-10-17$0.01registry's termsx402, mppeip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp+31since 2026-10-1744Check agent services before use
Validate and test
Paid APIA public registryx402developer-toolsdiagnostics+2fizzl.eu25 endpointsGET x402-doctor.fizzl.eu/api/v1/diagnose
Atinamos JSON Validate / Repairagent.atinamos.co.uk Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 2 days477dailyFresh2026-10-16$0.005registry's termsx402eip155:84530since 2026-10-1633File and data conversion
Validate and test
Paid APIA public registryjson-repairjson-validationstructured-data+2atinamos.co.uk4 endpointsPOST agent.atinamos.co.uk/agent/json-repair
Busker JSON Schema Validatorworkbot1.oddsys.org Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day296dailyFresh2026-10-17$0.002registry's termsx402eip155:84530since 2026-10-1733Validate and testPaid APIA public registryjson-schemavalidationstructured-output+2oddsys.org13 endpointsPOST workbot1.oddsys.org/validate
CORE JSON Validatorapi.coregroupimmo.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day508dailyFresh2026-10-17$0.002registry's termsx402eip155:84530since 2026-10-1734Validate and testPaid APIA public registryjsonschemavalidationcoregroupimmo.com3 endpointsPOST api.coregroupimmo.com/v1/json/validate
JSON Schema Validatorvalidate.yankii.fr Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day325dailyFresh2026-10-17$0.01registry's termsx402eip155:84530since 2026-10-1733Validate and testPaid APIA public registryjsonjson-schemavalidation+2yankii.fr10 endpointsPOST validate.yankii.fr/v1/validate
JSON Validate, Repair, Convert, json-suite.underscoredone.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 2 days87dailyFresh2026-10-16$0.01registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp0since 2026-10-1634File and data conversion
Validate and test
Paid APIA public registryjsonvalidate-jsonjson-validator+2underscoredone.com27 endpointsPOST json-suite.underscoredone.com/json
Mekler AIapi.mekler.ai Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day30dailyFresh2026-10-17$0.05registry's termsx402solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpeip155:84530since 2026-10-1733File and data conversion
Validate and test
Paid APIA public registrycsvdata-validationdata-qualitymekler.ai18 endpointsPOST api.mekler.ai/v1/data/csv/validate-data
NetIntelnetintel.dev Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day196dailyFresh2026-10-16$0.02registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp0since 2026-10-1633Validate and testPaid APIA public registryjson-schemavalidationdata-quality+2netintel.dev245 endpointsPOST netintel.dev/schema/validate
Quartermaster Regex Testerquartermaster.surewhynot.app Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day486dailyFresh2026-10-16$0.001registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp0since 2026-10-1633Validate and testPaid APIA public registrydevregexregular-expression+2surewhynot.app50 endpointsGET quartermaster.surewhynot.app/v1/regex
Verify deliverable, code onlycrosscheckapi.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day230dailyFresh2026-10-17$0.005registry's termsx402eip155:8453eip155:845320since 2026-10-1733Escrow, refunds and disputes
Validate and test
Paid APIA public registryverify-outputacceptance-testquality-check+2crosscheckapi.com3 endpointsPOST crosscheckapi.com/v1/accept-lite
agentbit.appagentbit.app Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day843dailyFresh2026-10-17$0.001registry's termsx402eip155:8453eip155:137+30since 2026-10-1735Validate and test
Check agent services before use
Paid APIA public registry—agentbit.app86 endpointsPOST agentbit.app/v1/x402/inspect
agentbit.appagentbit.app Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day938dailyFresh2026-10-17$0.0015registry's termsx402eip155:8453eip155:137+30since 2026-10-1733Validate and testPaid APIA public registry—agentbit.app86 endpointsPOST agentbit.app/v1/json/validate
badhttpbadhttp.dev Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day77dailyFresh2026-10-17$0.01registry's termsx402eip155:84530since 2026-10-1734Validate and testPaid APIA public registrytestinghttpx402+2badhttp.devGET badhttp.dev/402/pay/base
json-validatex402.agentindex.world Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day270dailyFresh2026-10-17$0.001registry's termsx402eip155:84530since 2026-10-1733Validate and testPaid APIA public registryjson-schema-validationjson-validatedata-validationagentindex.world119 endpointsPOST x402.agentindex.world/json/validate
tempo.halowerk.comtempo.halowerk.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day124dailyFresh2026-10-17$0.001registry's termsx402eip155:84530since 2026-10-1733Validate and testPaid APIA public registry—halowerk.com872 endpointsPOST tempo.halowerk.com/v1/pruef/tempo/gewich…
toolbelt402.tpoborne.workers.devtoolbelt402.tpoborne.workers.dev Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day260dailyFresh2026-10-17$0.002registry's termsx402eip155:84530since 2026-10-1733Validate and testPaid APIA public registry—tpoborne.workers.dev2 endpointsPOST toolbelt402.tpoborne.workers.dev/json/va…
x402 Doctorx402-doctor.onrender.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day361dailyFresh2026-10-17$0.01registry's termsx402, mppeip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp+31since 2026-10-1734Validate and test
Payment gateways
Paid APIA public registryx402developer-toolsdiagnostics+2x402-doctor.onrender.com3 endpointsGET x402-doctor.onrender.com/api/v1/diagnose
AISkills402: PO File Repairapi.aiskills402.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day387dailyFresh2026-10-17$0.05registry's termsx402eip155:84530since 2026-10-1722Validate and testPaid APIA public registryagent-skillpo-file-repairgettext+2aiskills402.com130 endpointsGET api.aiskills402.com/v1/skills/po-file-re…
AISkills402: Tests from Specapi.aiskills402.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day491dailyFresh2026-10-17$0.03registry's termsx402eip155:84530since 2026-10-1722Validate and testPaid APIA public registryagent-skilltests-from-specunit-tests+2aiskills402.com130 endpointsGET api.aiskills402.com/v1/skills/tests-from…
API Acreapiacre.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day278dailyFresh2026-10-16$0.01registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp0since 2026-10-1622Validate and testPaid APIA public registrydeveloperresearchjson+2apiacre.com42 endpointsPOST apiacre.com/v1/developer/structured-diff
API Acreapiacre.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day353dailyFresh2026-10-16$0.01registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp0since 2026-10-1622Validate and testPaid APIA public registryjson-schemaschema-validationjson-validator+2apiacre.com42 endpointsPOST apiacre.com/v1/data/schema-validate
Agent Output Verifierfastapi-service-5ag4.onrender.co… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day59dailyFresh2026-10-17$0.02registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp0since 2026-10-17213Validate and test
Control what agents may do
Paid APIA public registryjson-schemaoutput-validationattestation+2fastapi-service-5ag4.onrender.com3 endpointsPOST fastapi-service-5ag4.onrender.com/verify…
AgentRXIagentrxi.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day656dailyFresh2026-10-17$0.002registry's termsx402eip155:8453eip155:137+20since 2026-10-1722File and data conversion
Validate and test
Paid APIA public registrydatacsvjson+2agentrxi.com231 endpointsGET agentrxi.com/v1/convert
AgentRXIagentrxi.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day587dailyFresh2026-10-17$0.005registry's termsx402eip155:8453eip155:137+20since 2026-10-1722Check agent services before use
Validate and test
Paid APIA public registryx402testingmonitoring+2agentrxi.com231 endpointsGET agentrxi.com/v1/x402/check
AgentsToolsHubagentstoolshub.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day57dailyFresh2026-10-17$0.002registry's termsx402eip155:84530since 2026-10-1724File and data conversion
Validate and test
Paid APIA public registrydevcrypto-devagentstoolshub.com124 endpointsGET agentstoolshub.com/api/v1/dev/json-forma…
AgentsToolsHubagentstoolshub.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day160dailyFresh2026-10-17$0.003registry's termsx402eip155:84530since 2026-10-1723Validate and testPaid APIA public registrydevcrypto-devagentstoolshub.com124 endpointsGET agentstoolshub.com/api/v1/dev/json-schem…
Claude Code Settings Reviewapi.aiskills402.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day433dailyFresh2026-10-17$0.05registry's termsx402eip155:84530since 2026-10-1722Analyse and review code
Validate and test
Paid APIA public registryagent-skillclaude-code-settings-reviewclaude-code+2aiskills402.com130 endpointsGET api.aiskills402.com/v1/skills/claude-cod…
Forest Agent Toolshttp--forest-gas-station-mainnet… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day97dailyFresh2026-10-17$0.004registry's termsx402eip155:84530since 2026-10-1722Check agent services before use
Validate and test
Paid APIA public registrymcpcontractmonitoringhttp--forest-gas-station-mainnet--lcjl27p8lmjs.code.run96 endpointsPOST http--forest-gas-station-mainnet--lcjl27…
Forest Webhttp--forest-gas-station-mainnet… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day98dailyFresh2026-10-17$0.002registry's termsx402eip155:84530since 2026-10-1722Validate and testPaid APIA public registryopenapiswaggerjson+2http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run96 endpointsPOST http--forest-gas-station-mainnet--lcjl27…
Forest Webhttp--forest-gas-station-mainnet… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day153dailyFresh2026-10-17$0.002registry's termsx402eip155:84530since 2026-10-1722Validate and testPaid APIA public registryapiopenapiswagger+2http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run96 endpointsPOST http--forest-gas-station-mainnet--lcjl27…
Forest Webhttp--forest-gas-station-mainnet… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day90dailyFresh2026-10-17$0.003registry's termsx402eip155:84530since 2026-10-1722Validate and testPaid APIA public registryapiopenapiswaggerhttp--forest-gas-station-mainnet--lcjl27p8lmjs.code.run96 endpointsPOST http--forest-gas-station-mainnet--lcjl27…
Generate a TEST card numbercreditcard.openverbs.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day298dailyFresh2026-10-17$0.002registry's termsx402, mppeip155:84530since 2026-10-1722Validate and testPaid APIA public registrygenerate-test-cardtest-credit-card-numberluhn-valid-card-generator+2openverbs.com404 endpointsPOST creditcard.openverbs.com/v1/generate
Grokzilla x402 Micro Paygrokzilla.shop Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day68dailyFresh2026-10-17$0.006registry's termsx402eip155:84530since 2026-10-1726Validate and testPaid APIA public registryjson-schemavalidationjson+2grokzilla.shop27 endpointsPOST grokzilla.shop/api/skills/json-schema-va…
Horizon Pulsehorizonpulse.dev Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day112dailyFresh2026-10-17$0.01registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp+20since 2026-10-1723Validate and test
Check whether AI agents can read a site
Paid APIA public registrydeveloper-toolsx402bazaar+2horizonpulse.dev28 endpointsGET horizonpulse.dev/api/bazaar-check
JSON Schema From Examplesapi.aiskills402.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day161dailyFresh2026-10-17$0.02registry's termsx402eip155:84530since 2026-10-1722Validate and testPaid APIA public registryagent-skilljson-schema-from-examplejson-schema+2aiskills402.com130 endpointsGET api.aiskills402.com/v1/skills/json-schem…
JSON Schema Validator APItools.ipintel.ai Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day139dailyFresh2026-10-16$0.001registry's termsx402eip155:84530since 2026-10-1622Validate and testPaid APIA public registryjson-schemajson-validatorschema-validation+2ipintel.ai13 endpointsPOST tools.ipintel.ai/json-schema-validator
LUMI Verifierapp.tenna.ai Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day581dailyFresh2026-10-16$0.03registry's termsx402eip155:84530since 2026-10-1622Control what agents may do
Validate and test
Paid APIA public registryagentdeliverableschema+2tenna.ai11 endpointsPOST app.tenna.ai/api/x402/verifier/acp_deliv…
Mock / Synthetic Data Generatorapi.24klabs.ai Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day32dailyFresh2026-10-17$0.003registry's termsx402eip155:84530since 2026-10-1722Validate and testPaid APIA public registryai24klabs24klabs.ai24 endpointsPOST api.24klabs.ai/api/mock-data-generate
Playwright Test from Manualapi.aiskills402.com Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day413dailyFresh2026-10-17$0.02registry's termsx402eip155:84530since 2026-10-1722Validate and testPaid APIA public registryagent-skillplaywright-test-from-stepsplaywright+2aiskills402.com130 endpointsGET api.aiskills402.com/v1/skills/playwright…
ScrapeCheckscrapecheck.fly.dev Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day756dailyFresh2026-10-17$0.002registry's termsx402eip155:8453eip155:137+10since 2026-10-1722Check claims and citations
Validate and test
Paid APIA public registryverificationjsonapi+1scrapecheck.fly.dev6 endpointsPOST scrapecheck.fly.dev/verify-json
Sindrippu43fkyhimq5fiqpmo42eh5ri0yypid… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day122dailyFresh2026-10-17$0.01registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp0since 2026-10-1723Validate and test
Random numbers
Paid APIA public registryfake-datavin-isbn-upcchecksumppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws64 endpointsPOST ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-…
Sindrippu43fkyhimq5fiqpmo42eh5ri0yypid… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day313dailyFresh2026-10-17$0.01registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp0since 2026-10-1723Validate and test
Random numbers
Paid APIA public registryfake-dataipv4-ipv6test-datappu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws64 endpointsPOST ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-…
Sindrippu43fkyhimq5fiqpmo42eh5ri0yypid… Live, payment required · HTTP 402short history2 of 2 run · 0 missed · 1 day64dailyFresh2026-10-17$0.01registry's termsx402eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp0since 2026-10-1723Validate and testPaid APIA public registryfake-dataiban-bictest-datappu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws64 endpointsPOST ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-…

19 columns; scroll sideways for more. Each heading links to its definition in the field dictionary. Registry columns are the registry's own figures.

Next →