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Velkros

Get Early Access

Home

How it Works

Why Velkros

Pricing

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Join Velkros today and get 30% Off at launch!

Join Velkros today and get 30% Off at launch!

Structured API integration.

For developers and AI agents.

Structured API integration.

For developers and AI agents.

Structured API integration.

For developers and AI agents.

Velkros turns a plain-text prompt into a validated, export-ready integration spec.

Velkros turns a plain-text prompt into a validated,
export-ready integration spec.

See How it Works

See How it Works

Slack API Integration

Export

Set up a Slack API integration.

I need to read channels, post messages, and react to threads

Velkros

Got it. One quick question, are you building a bot that responds to events in real time, or a backend service that calls Slack on demand (e.g. triggered by a form or cron job)?

Real time, it needs to listen for messages and respond in threads

Thinking...

Mapping integration scope...

Scanning available endpoints...

Resolving required scope...

Wiring real-time listeners...

Generating code snippets...

Velkros

All set! v1 is ready. I can open a PR, export the Test Pack so you can run it locally, or refine any endpoint.

circle-check

API spec is ready

Ask Velkros how to set up Stripe with webhook support...

Slack Web API

8 endpoints

1 webhook

OAuth 2.0

Overview

ABOUT THIS API

The Slack Web API provides programmatic access to Slack workspaces read and write messages, manage channels, handle user data, and automate workflows. This spec covers 8 validated endpoints across messaging, conversations, reactions, and authentication scopes.

BASE URL

https://slack.com/api

RATE LIMIT

Tier 3 · 50 req/min

VERSION

v2.0

QUICK START

curl

Copy

curl -X POST https://slack.com/api/chat.postMessage \

-H "Authorization: Bearer $SLACK_TOKEN" \

-H "Content-Type: application/json" \

-d '{

"channel": "C01ABC123",

"text": "Hello from Velkros"

}'

ENDPOINTS

Method

Path

Description

POST

/chat.postMessage

Send a message to a channel

GET

/conversations.history

Fetch channel message history

GET

/conversations.list

List all channels in workspace

GET

/conversations.replies

Get threaded replies

POST

/reactions.add

Add emoji reaction to a message

POST

/chat.update

Edit an existing message

GET

/users.info

Get user profile details

POST

/auth.revoke

Revoke an OAuth token

Endpoints

POST

/chat.postMessage

chevron-up

GET

/conversations.history

chevron-down

Fetch messages from a channel with pagination support.

Edit

Test Endpoint

Response

JavaScript

Shell

cURL

{

"ok": true,

"messages": [{

"type": "message",

"user": "U01XYZ789",

"text": "Can you check the integration?",

"ts": "1712345678.000100"

}],

"has_more": true,

"next_cursor": "bmV4dF90czoxNzEy"

}

Copy

GET

/conversations.list

chevron-up

GET

/conversations.replies

chevron-up

POST

/reactions.add

chevron-up

POST

/chat.update

chevron-up

GET

/users.info

chevron-up

POST

/auth.revoke

chevron-up

Watch Demo

Coming soon

Watch Demo

Coming soon

Slack API Integration

Slack API Integration

Export

Export

Set up a Slack API integration.

I need to read channels, post messages, and react to threads

Set up a Slack API integration.

I need to read channels, post messages, and react to threads

Velkros

Velkros

Got it. One quick question, are you building a bot that responds to events in real time, or a backend service that calls Slack on demand (e.g. triggered by a form or cron job)?

Got it. One quick question, are you building a bot that responds to events in real time, or a backend service that calls Slack on demand (e.g. triggered by a form or cron job)?

Real time, it needs to listen for messages and respond in threads

Real time, it needs to listen for messages and respond in threads

Thinking...

Thinking...

Mapping integration scope...

Mapping integration scope...

Scanning available endpoints...

Scanning available endpoints...

Resolving required scope...

Resolving required scope...

Wiring real-time listeners...

Wiring real-time listeners...

Generating code snippets...

Generating code snippets...

Velkros

Velkros

All set! v1 is ready. I can open a PR, export the Test Pack so you can run it locally, or refine any endpoint.

All set! v1 is ready. I can open a PR, export the Test Pack so you can run it locally, or refine any endpoint.

circle-check

circle-check

API spec is ready

API spec is ready

Ask Velkros how to set up Stripe with webhook support...

Ask Velkros how to set up Stripe with webhook support...

Slack Web API

Slack Web API

8 endpoints

8 endpoints

1 webhook

1 webhook

OAuth 2.0

OAuth 2.0

Overview

Overview

ABOUT THIS API

ABOUT THIS API

The Slack Web API provides programmatic access to Slack workspaces read and write messages, manage channels, handle user data, and automate workflows. This spec covers 8 validated endpoints across messaging, conversations, reactions, and authentication scopes.

The Slack Web API provides programmatic access to Slack workspaces read and write messages, manage channels, handle user data, and automate workflows. This spec covers 8 validated endpoints across messaging, conversations, reactions, and authentication scopes.

BASE URL

BASE URL

https://slack.com/api

https://slack.com/api

RATE LIMIT

RATE LIMIT

Tier 3 · 50 req/min

Tier 3 · 50 req/min

VERSION

VERSION

v2.0

v2.0

QUICK START

QUICK START

curl

curl

Copy

Copy

curl -X POST https://slack.com/api/chat.postMessage \

curl -X POST https://slack.com/api/chat.postMessage \

-H "Authorization: Bearer $SLACK_TOKEN" \

-H "Authorization: Bearer $SLACK_TOKEN" \

-H "Content-Type: application/json" \

-H "Content-Type: application/json" \

-d '{

-d '{

"channel": "C01ABC123",

"channel": "C01ABC123",

"text": "Hello from Velkros"

"text": "Hello from Velkros"

}'

}'

ENDPOINTS

ENDPOINTS

Method

Method

Path

Path

Description

Description

POST

POST

/chat.postMessage

/chat.postMessage

Send a message to a channel

Send a message to a channel

GET

GET

/conversations.history

/conversations.history

Fetch channel message history

Fetch channel message history

GET

GET

/conversations.list

/conversations.list

List all channels in workspace

List all channels in workspace

GET

GET

/conversations.replies

/conversations.replies

Get threaded replies

Get threaded replies

POST

POST

/reactions.add

/reactions.add

Add emoji reaction to a message

Add emoji reaction to a message

POST

POST

/chat.update

/chat.update

Edit an existing message

Edit an existing message

GET

GET

/users.info

/users.info

Get user profile details

Get user profile details

POST

POST

/auth.revoke

/auth.revoke

Revoke an OAuth token

Revoke an OAuth token

Endpoints

Endpoints

POST

POST

/chat.postMessage

/chat.postMessage

chevron-up

chevron-up

GET

GET

/conversations.history

/conversations.history

chevron-down

chevron-down

Fetch messages from a channel with pagination support.

Fetch messages from a channel with pagination support.

Edit

Edit

Test Endpoint

Test Endpoint

Response

Response

JavaScript

JavaScript

Shell

Shell

cURL

cURL

{

{

"ok": true,

"ok": true,

"messages": [{

"messages": [{

"type": "message",

"type": "message",

"user": "U01XYZ789",

"user": "U01XYZ789",

"text": "Can you check the integration?",

"text": "Can you check the integration?",

"ts": "1712345678.000100"

"ts": "1712345678.000100"

}],

}],

"has_more": true,

"has_more": true,

"next_cursor": "bmV4dF90czoxNzEy"

"next_cursor": "bmV4dF90czoxNzEy"

}

}

Copy

Copy

GET

GET

/conversations.list

/conversations.list

chevron-up

chevron-up

GET

GET

/conversations.replies

/conversations.replies

chevron-up

chevron-up

POST

POST

/reactions.add

/reactions.add

chevron-up

chevron-up

POST

POST

/chat.update

/chat.update

chevron-up

chevron-up

GET

GET

/users.info

/users.info

chevron-up

chevron-up

POST

POST

/auth.revoke

/auth.revoke

chevron-up

chevron-up

One prompt. A validated API spec ready for developers to ship and AI agents to execute.

One prompt. A validated API spec ready for

developers to ship and AI agents to execute.

One prompt. A validated API spec ready for

developers to ship and AI agents to execute.

How it Works

the problem

the problem

API integration is still manual, messy, and slow, wasting development time and leaving your AI agents with nothing structured to work with.

API integration is still manual, messy, and slow, wasting development time and leaving your AI agents with nothing structured to work with.

API integration is still manual, messy, and slow, wasting development time and leaving your AI agents with nothing structured to work with.

How it works

Velkros lets you prompt your integration, validate it with preflight checks, and export it as a production-ready API spec — all of that in one platform.

01

Prompt

Describe the integration you need in plain text. "Create a Social Insights API for Instagram + YouTube." Velkros understands stack context, suggests common patterns, and starts generating immediately.

search

Social Insights API for Instagram + YouTube

Thought for 8 seconds

SUMMARY

Providers: Instagram Graph, YouTube Data v3

Endpoints: 7 · Webhooks: 2

Docs + Test Pack + velkros.yaml ready

Ask Velkros...

Chat

All set — v2 is ready. Open a PR or export the bundle.

02

Validate

Velkros runs preflight checks against your endpoints, flags missing environment variables, and lets you test each endpoint inline with mock calls — before anything leaves the platform.

Instagram (Instagram Graph)

Endpoints

GET

/insights/overview?from&to&tz

GET

/instagram/{accountId}/insights

GET

/instagram/{accountId}/media/{id}/insights

Auth

OAuth 2.0 (authorization code)

JavaScript

Shell

cURL

{

"impressions"

:

43012

,

Copy

Edit

Test Endpoint

02

Export

Download the complete bundle — integration spec, velkros.yaml, Postman collection, and test pack. Everything versioned, structured, and ready for your pipeline or your agent's next step.

Create PR

Push via GitHub OAuth

Download

Export as .zip bundle

BUNDLE CONTENTS

social-insights-api.md

12.4 KB

velkros.yaml

2.1 KB

postman-collection.json

8.7 KB

test-pack.json

4.3 KB

27.5 KB total

PR #42 created

velkros/social-insights-api

How it works

Velkros lets you prompt your integration, validate it with preflight checks, and export it as a production-ready API spec — all of that in one platform.

  • 01

    Prompt

    Describe the integration you need in plain text. "Create a Social Insights API for Instagram + YouTube." Velkros understands stack context, suggests common patterns, and starts generating immediately.

    Social Insights API for Instagram + YouTube

    Thought for 8 seconds

    SUMMARY

    Providers: Instagram Graph, YouTube Data v3

    Endpoints: 7 · Webhooks: 2

    Docs + Test Pack + velkros.yaml ready

    Ask Velkros...

    Chat

    All set — v2 is ready. Open a PR or export the bundle.

  • 02

    Validate

    Velkros runs preflight checks against your endpoints, flags missing environment variables, and lets you test each endpoint inline with mock calls — before anything leaves the platform.

    Instagram (Instagram Graph)

    Endpoints

    GET

    /insights/overview?from&to&tz

    GET

    /instagram/{accountId}/insights

    GET

    /instagram/{accountId}/media/{id}/insights

    Auth

    OAuth 2.0 (authorization code)

    JavaScript

    Shell

    cURL

    {

    "impressions"

    :

    43012

    ,

    Copy

    Edit

    Test Endpoint

  • 02

    Export

    Download the complete bundle — integration spec, velkros.yaml, Postman collection, and test pack. Everything versioned, structured, and ready for your pipeline or your agent's next step.

    Create PR

    Push via GitHub OAuth

    Download

    Export as .zip bundle

    BUNDLE CONTENTS

    social-insights-api.md

    12.4 KB

    velkros.yaml

    2.1 KB

    postman-collection.json

    8.7 KB

    test-pack.json

    4.3 KB

    27.5 KB total

    PR #42 created

    velkros/social-insights-api

How it works

Velkros lets you prompt your integration, validate it with preflight checks, and export it as a production-ready API spec — all of that in one platform.

  • 01

    Prompt

    Describe the integration you need in plain text. "Create a Social Insights API for Instagram + YouTube." Velkros understands stack context, suggests common patterns, and starts generating immediately.

    Social Insights API for Instagram + YouTube

    Thought for 8 seconds

    SUMMARY

    Providers: Instagram Graph, YouTube Data v3

    Endpoints: 7 · Webhooks: 2

    Docs + Test Pack + velkros.yaml ready

    Ask Velkros...

    Chat

    All set — v2 is ready. Open a PR or export the bundle.

  • 02

    Validate

    Velkros runs preflight checks against your endpoints, flags missing environment variables, and lets you test each endpoint inline with mock calls — before anything leaves the platform.

    Instagram (Instagram Graph)

    Endpoints

    GET

    /insights/overview?from&to&tz

    GET

    /instagram/{accountId}/insights

    GET

    /instagram/{accountId}/media/{id}/insights

    Auth

    OAuth 2.0 (authorization code)

    JavaScript

    Shell

    cURL

    {

    "impressions"

    :

    43012

    ,

    Copy

    Edit

    Test Endpoint

  • 02

    Export

    Download the complete bundle — integration spec, velkros.yaml, Postman collection, and test pack. Everything versioned, structured, and ready for your pipeline or your agent's next step.

    Create PR

    Push via GitHub OAuth

    Download

    Export as .zip bundle

    BUNDLE CONTENTS

    social-insights-api.md

    12.4 KB

    velkros.yaml

    2.1 KB

    postman-collection.json

    8.7 KB

    test-pack.json

    4.3 KB

    27.5 KB total

    PR #42 created

    velkros/social-insights-api

Continuous Monitoring

You build it once. We keep it updated

Velkros keeps monitoring the integration spec even after exporting. Catching API drift, surfacing schema changes, and alerting before anything breaks.

Continuous Monitoring

You build it once. We keep it updated

Velkros keeps monitoring the integration spec even after exporting. Catching API drift, surfacing schema changes, and alerting before anything breaks.

01 prompt

02 generate

03 validate

04 export

USER REQUEST

"Stripe payouts with

Firebase auth"

SPEC GENERATED

8 endpoints mapped

auth flow resolved

env vars extracted

VALIDATION REPORT

schema contract

auth headers

rate limits

metadata

BUNDLE READY

stripe-spec.json

implementation.md

POST

/paymentDetails

GET

/merchantDetails

LIVE MONITORING

tracking changes

active monitoring

48ms avg retrieval

Why velkros

The integration copilot that does the work you shouldn't have to.

Hours become seconds

What used to take a full afternoon of reading docs, wiring auth, and assembling Postman collections now takes a single prompt. Velkros generates the entire integration spec — so you spend time building, not researching.

Confidence before you commit

Every spec is validated with preflight checks and inline testing before it leaves the platform. Missing env vars get flagged. Broken endpoints get caught. You export knowing it works — not hoping it does.

Structured output your whole team can use

Velkros outputs aren't just for one developer. The bundle — spec.md, velkros.yaml, Postman collection, test pack — is structured, versioned, and machine-readable. Hand it to a teammate. Feed it to an agent. Drop it into your pipeline. It just works.

Bundle v3

spec.md

velkros.yaml

postman.json

test-pack.json

>_

Developer

spec.md

code snippets

postman.json

A

AI Agent

velkros.yaml

structured JSON

test-pack.json

CI

Pipeline

velkros.yaml

test-pack.json

postman.json

One bundle. Three consumers. Zero reformatting.

Preflight Report

ALL CLEAR

Endpoints reachable

7 of 7 endpoints responded with expected status codes

PASS

Auth flow validated

OAuth 2.0 token exchange completed successfully

PASS

Environment variables set

STRIPE_KEY, FIREBASE_API_KEY, FIREBASE_AUTH_DOMAIN

PASS

Rate limits within bounds

Current usage at 12% of allowed limit

PASS

Response schemas match

All response bodies match documented schemas

PASS

Download

Export as .zip bundle

Every check passed before a single line ships to production.

WITHOUT VELKROS

Read Stripe docs

45 min

Find auth endpoints

30 min

Set up env variables

20 min

Build collection

35 min

Write code snippets

3 hrs

Test and debug

2 hrs

~3.5 hours

WITH VELKROS

Stripe payouts + Firebase auth

Looking for integrations...

Generating spec...

Generating webhooks...

Spec is ready

~8-20 seconds

Bundle v3

spec.md

velkros.yaml

postman.json

test-pack.json

>_

Developer

spec.md

code snippets

postman.json

A

AI Agent

velkros.yaml

structured JSON

test-pack.json

CI

Pipeline

velkros.yaml

test-pack.json

postman.json

One bundle. Three consumers. Zero reformatting.

Preflight Report

ALL CLEAR

Endpoints reachable

7 of 7 endpoints responded with expected status codes

PASS

Auth flow validated

OAuth 2.0 token exchange completed successfully

PASS

Environment variables set

STRIPE_KEY, FIREBASE_API_KEY, FIREBASE_AUTH_DOMAIN

PASS

Rate limits within bounds

Current usage at 12% of allowed limit

PASS

Response schemas match

All response bodies match documented schemas

PASS

Download

Export as .zip bundle

Every check passed before a single line ships to production.

WITHOUT VELKROS

Read Stripe docs

45 min

Find auth endpoints

30 min

Set up env variables

20 min

Build collection

35 min

Write code snippets

3 hrs

Test and debug

2 hrs

~3.5 hours

WITH VELKROS

Stripe payouts + Firebase auth

Looking for integrations...

Generating spec...

Generating webhooks...

Spec is ready

~8-20 seconds

Bundle v3

spec.md

velkros.yaml

postman.json

test-pack.json

>_

Developer

spec.md

code snippets

postman.json

A

AI Agent

velkros.yaml

structured JSON

test-pack.json

CI

Pipeline

velkros.yaml

test-pack.json

postman.json

One bundle. Three consumers. Zero reformatting.

Preflight Report

ALL CLEAR

Endpoints reachable

7 of 7 endpoints responded with expected status codes

PASS

Auth flow validated

OAuth 2.0 token exchange completed successfully

PASS

Environment variables set

STRIPE_KEY, FIREBASE_API_KEY, FIREBASE_AUTH_DOMAIN

PASS

Rate limits within bounds

Current usage at 12% of allowed limit

PASS

Response schemas match

All response bodies match documented schemas

PASS

Download

Export as .zip bundle

Every check passed before a single line ships to production.

WITHOUT VELKROS

Read Stripe docs

45 min

Find auth endpoints

30 min

Set up env variables

20 min

Build collection

35 min

Write code snippets

3 hrs

Test and debug

2 hrs

~3.5 hours

WITH VELKROS

Stripe payouts + Firebase auth

Looking for integrations...

Generating spec...

Generating webhooks...

Spec is ready

~8-20 seconds

Why velkros

The integration copilot that does the work you shouldn't have to.

Hours become seconds

What used to take a full afternoon of reading docs, wiring auth, and assembling Postman collections now takes a single prompt. Velkros generates the entire integration spec — so you spend time building, not researching.

Confidence before you commit

Every spec is validated with preflight checks and inline testing before it leaves the platform. Missing env vars get flagged. Broken endpoints get caught. You export knowing it works — not hoping it does.

Structured output your whole team can use

Velkros outputs aren't just for one developer. The bundle — spec.md, velkros.yaml, Postman collection, test pack — is structured, versioned, and machine-readable. Hand it to a teammate. Feed it to an agent. Drop it into your pipeline. It just works.

Bundle v3

spec.md

velkros.yaml

postman.json

test-pack.json

>_

Developer

spec.md

code snippets

postman.json

A

AI Agent

velkros.yaml

structured JSON

test-pack.json

CI

Pipeline

velkros.yaml

test-pack.json

postman.json

One bundle. Three consumers. Zero reformatting.

Bundle v3

spec.md

velkros.yaml

postman.json

test-pack.json

>_

Developer

spec.md

code snippets

postman.json

A

AI Agent

velkros.yaml

structured JSON

test-pack.json

CI

Pipeline

velkros.yaml

test-pack.json

postman.json

One bundle. Three consumers. Zero reformatting.

Preflight Report

ALL CLEAR

Endpoints reachable

7 of 7 endpoints responded with expected status codes

PASS

Auth flow validated

OAuth 2.0 token exchange completed successfully

PASS

Environment variables set

STRIPE_KEY, FIREBASE_API_KEY, FIREBASE_AUTH_DOMAIN

PASS

Rate limits within bounds

Current usage at 12% of allowed limit

PASS

Response schemas match

All response bodies match documented schemas

PASS

Download

Export as .zip bundle

Every check passed before a single line ships to production.

WITHOUT VELKROS

Read Stripe docs

45 min

Find auth endpoints

30 min

Set up env variables

20 min

Build collection

35 min

Write code snippets

3 hrs

Test and debug

2 hrs

~3.5 hours

WITH VELKROS

Stripe payouts + Firebase auth

Looking for integrations...

Generating spec...

Generating webhooks...

Spec is ready

~8-20 seconds

Bundle v3

spec.md

velkros.yaml

postman.json

test-pack.json

>_

Developer

spec.md

code snippets

postman.json

A

AI Agent

velkros.yaml

structured JSON

test-pack.json

CI

Pipeline

velkros.yaml

test-pack.json

postman.json

One bundle. Three consumers. Zero reformatting.

Preflight Report

ALL CLEAR

Endpoints reachable

7 of 7 endpoints responded with expected status codes

PASS

Auth flow validated

OAuth 2.0 token exchange completed successfully

PASS

Environment variables set

STRIPE_KEY, FIREBASE_API_KEY, FIREBASE_AUTH_DOMAIN

PASS

Rate limits within bounds

Current usage at 12% of allowed limit

PASS

Response schemas match

All response bodies match documented schemas

PASS

Download

Export as .zip bundle

Every check passed before a single line ships to production.

WITHOUT VELKROS

Read Stripe docs

45 min

Find auth endpoints

30 min

Set up env variables

20 min

Build collection

35 min

Write code snippets

3 hrs

Test and debug

2 hrs

~3.5 hours

WITH VELKROS

Stripe payouts + Firebase auth

Looking for integrations...

Generating spec...

Generating webhooks...

Spec is ready

~8-20 seconds

Why velkros

The integration copilot that does the work you shouldn't have to.

Hours become seconds

What used to take a full afternoon of reading docs, wiring auth, and assembling Postman collections now takes a single prompt. Velkros generates the entire integration spec — so you spend time building, not researching.

Confidence before you commit

Every spec is validated with preflight checks and inline testing before it leaves the platform. Missing env vars get flagged. Broken endpoints get caught. You export knowing it works — not hoping it does.

Structured output your whole team can use

Velkros outputs aren't just for one developer. The bundle — spec.md, velkros.yaml, Postman collection, test pack — is structured, versioned, and machine-readable. Hand it to a teammate. Feed it to an agent. Drop it into your pipeline. It just works.

Bundle v3

spec.md

velkros.yaml

postman.json

test-pack.json

>_

Developer

spec.md

code snippets

postman.json

A

AI Agent

velkros.yaml

structured JSON

test-pack.json

CI

Pipeline

velkros.yaml

test-pack.json

postman.json

One bundle. Three consumers. Zero reformatting.

Preflight Report

ALL CLEAR

Endpoints reachable

7 of 7 endpoints responded with expected status codes

PASS

Auth flow validated

OAuth 2.0 token exchange completed successfully

PASS

Environment variables set

STRIPE_KEY, FIREBASE_API_KEY, FIREBASE_AUTH_DOMAIN

PASS

Rate limits within bounds

Current usage at 12% of allowed limit

PASS

Response schemas match

All response bodies match documented schemas

PASS

Download

Export as .zip bundle

Every check passed before a single line ships to production.

WITHOUT VELKROS

Read Stripe docs

45 min

Find auth endpoints

30 min

Set up env variables

20 min

Build collection

35 min

Write code snippets

3 hrs

Test and debug

2 hrs

~3.5 hours

WITH VELKROS

Stripe payouts + Firebase auth

Looking for integrations...

Generating spec...

Generating webhooks...

Spec is ready

~8-20 seconds

Bundle v3

spec.md

velkros.yaml

postman.json

test-pack.json

>_

Developer

spec.md

code snippets

postman.json

A

AI Agent

velkros.yaml

structured JSON

test-pack.json

CI

Pipeline

velkros.yaml

test-pack.json

postman.json

One bundle. Three consumers. Zero reformatting.

Preflight Report

ALL CLEAR

Endpoints reachable

7 of 7 endpoints responded with expected status codes

PASS

Auth flow validated

OAuth 2.0 token exchange completed successfully

PASS

Environment variables set

STRIPE_KEY, FIREBASE_API_KEY, FIREBASE_AUTH_DOMAIN

PASS

Rate limits within bounds

Current usage at 12% of allowed limit

PASS

Response schemas match

All response bodies match documented schemas

PASS

Download

Export as .zip bundle

Every check passed before a single line ships to production.

WITHOUT VELKROS

Read Stripe docs

45 min

Find auth endpoints

30 min

Set up env variables

20 min

Build collection

35 min

Write code snippets

3 hrs

Test and debug

2 hrs

~3.5 hours

WITH VELKROS

Stripe payouts + Firebase auth

Looking for integrations...

Generating spec...

Generating webhooks...

Spec is ready

~8-20 seconds

Bundle v3

spec.md

velkros.yaml

postman.json

test-pack.json

>_

Developer

spec.md

code snippets

postman.json

A

AI Agent

velkros.yaml

structured JSON

test-pack.json

CI

Pipeline

velkros.yaml

test-pack.json

postman.json

One bundle. Three consumers. Zero reformatting.

Preflight Report

ALL CLEAR

Endpoints reachable

7 of 7 endpoints responded with expected status codes

PASS

Auth flow validated

OAuth 2.0 token exchange completed successfully

PASS

Environment variables set

STRIPE_KEY, FIREBASE_API_KEY, FIREBASE_AUTH_DOMAIN

PASS

Rate limits within bounds

Current usage at 12% of allowed limit

PASS

Response schemas match

All response bodies match documented schemas

PASS

Download

Export as .zip bundle

Every check passed before a single line ships to production.

WITHOUT VELKROS

Read Stripe docs

45 min

Find auth endpoints

30 min

Set up env variables

20 min

Build collection

35 min

Write code snippets

3 hrs

Test and debug

2 hrs

~3.5 hours

WITH VELKROS

Stripe payouts + Firebase auth

Looking for integrations...

Generating spec...

Generating webhooks...

Spec is ready

~8-20 seconds

Velkros is everywhere

Wherever you build, Velkros works

Velkros is everywhere

Wherever you build, Velkros works

No code required

Velkros App

Prompt, review, and export integrations from the web app. No setup needed

Integrate Stripe payouts...

Stripe Payouts API

POST /v1/payouts · GET /v1/balance

Auth: Bearer

stripe-spec.json

env.template

implementation.md

For Claude users

Velkros + Claude

Use Velkros as a tool with Claude. Generate and export structured specs

Get me Stripe + Firebase spec

velkros.generate_spec()

Spec ready. 8 endpoints, OAuth 2.0,

env vars extracted. Export bundle?

Export

View spec

For OpenClaw users

Velkros + OpenClaw

Let AI agents call Velkros as a tool and receive specs they can execute

tool_call: velkros.get_spec

{

"provider": "stripe",

"stack": "node",

"output": "bundle"

}

spec returned (8 endpoints)

For developers

Velkros API

Call the Velkros API directly from your stack. Integrate it into any pipeline.

POST

/v1/specs/generate

{ "provider": "github",

"stack": "python",

"auth": "oauth" }

200 OK

{ "spec_id": "sp_aH3k...",

"endpoints": 12, ... }

Supported Platforms

Built for every stack. Readable by every AI agent

Velkros works wherever developers do, Stripe, AWS, Twilio, GitHub, and beyond. The structured API specs Velkros generates can be read, parsed, and executed by any AI agent with tool-calling like OpenAI, Claude, OpenClaw, and more.

Supported Platforms

Built for every stack. Readable by every AI agent

Velkros works wherever developers do, Stripe, AWS, Twilio, GitHub, and beyond. The structured API specs Velkros generates can be read, parsed, and executed by any AI agent with tool-calling like OpenAI, Claude, OpenClaw, and more.

10+

Platforms supported

Platforms supported

From Stripe to Twilio to Firebase—and counting—Velkros has you covered.

From Stripe to Twilio to Firebase—and counting—Velkros has you covered.

100+

Developers onboarded

Over 100 beta testers have built with Velkros and helped shape its features.

#1

Rated API Assistant

Voted the top API-doc tool for accuracy and ease of use by early adopters.

5,000+

Specs Generated

Thousands of copy-&-paste-ready API specs—saving developers hours every day.

Pricing

Start free. Scale when you need to.

Pricing

Start free. Scale when you need to.

$0

FREE

For individual developers exploring Velkros.

Unlimited Projects

100 credits / month

Export to Google Docs & Postman

No GitHub/Infisical integration

No contract diff alerts

Get Started

$19

/mo per user

PRO

For developers who integrate regularly.

Unlimited Projects

1,000 credits / month

Slack/email alerts for breaking changes

GitHub & Infisical integrations

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Start Pro Trial

$79

/mo per team, up to 5 users

TEAMS

For teams managing multiple integrations.

Unlimited Projects

5,000 credits / month

Team collaboration on projects

Contract diff & alert engine

Priority support

Contact Us

FAQ

Common Questions

FAQ

Common Questions

What exactly does Velkros do?

You describe the API integration you need in plain text. Velkros generates a complete spec — endpoints, auth, environment variables, code snippets, and documentation. You validate it with preflight checks, test endpoints inline, and export the bundle.

What exactly does Velkros do?

You describe the API integration you need in plain text. Velkros generates a complete spec — endpoints, auth, environment variables, code snippets, and documentation. You validate it with preflight checks, test endpoints inline, and export the bundle.

How is this different from Postman?

Postman is for testing APIs you already understand. Velkros starts earlier — it researches the API, generates the full integration spec, and gives you everything structured before you open Postman. You can export a Postman collection directly from Velkros.

How is this different from Postman?

Postman is for testing APIs you already understand. Velkros starts earlier — it researches the API, generates the full integration spec, and gives you everything structured before you open Postman. You can export a Postman collection directly from Velkros.

Does it work with AI agents?

Yes. Every spec Velkros generates is structured and machine-readable — velkros.yaml, markdown, and Postman collections. Agents can consume the output directly.

Does it work with AI agents?

Yes. Every spec Velkros generates is structured and machine-readable — velkros.yaml, markdown, and Postman collections. Agents can consume the output directly.

How accurate are the generated specs?

Velkros includes preflight checks that validate endpoints via mock calls and flag missing variables. You can edit and test every endpoint inline before exporting.

How accurate are the generated specs?

Velkros includes preflight checks that validate endpoints via mock calls and flag missing variables. You can edit and test every endpoint inline before exporting.

What does early access include?

Full platform access, priority support, and input on the roadmap. Early access users shape what we build next.

What does early access include?

Full platform access, priority support, and input on the roadmap. Early access users shape what we build next.

Will there be a free tier?

Yes. Individual developers can use Velkros free with usage limits. Pro and Team plans unlock unlimited generation and team features.

Will there be a free tier?

Yes. Individual developers can use Velkros free with usage limits. Pro and Team plans unlock unlimited generation and team features.

Stop deciphering documentation.

Start building structured specs.

Stop deciphering documentation.

Start building structured specs.

Stop deciphering documentation.

Start building structured specs.

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