Free email verification, business calculators, UAE estimates and drafts. No API key.
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Calculate project price from labor, overhead and risk buffer. margin is percentage of selling price; overhead and riskBuffer are percentage additions. Free, no authentication required. Rate limited.
Calculate project price from labor, overhead and risk buffer. margin is percentage of selling price; overhead and riskBuffer are percentage additions. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| hours* | number | |
| margin* | number | |
| overhead* | number | |
| hourlyCost* | number | |
| riskBuffer* | number |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"hourlyCost",
"hours",
"overhead",
"margin",
"riskBuffer"
],
"properties": {
"hours": {
"type": "number",
"maximum": 1000000,
"exclusiveMinimum": 0
},
"margin": {
"type": "number",
"maximum": 95,
"minimum": 0
},
"overhead": {
"type": "number",
"maximum": 100,
"minimum": 0
},
"hourlyCost": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
},
"riskBuffer": {
"type": "number",
"maximum": 100,
"minimum": 0
}
},
"additionalProperties": false
}Count weekdays between dates or add/subtract days. UTC dates, Monday–Friday; start included and end excluded unless includeEnd. Offset excludes start. Public holidays are not excluded. Free, no authentication required. Rate limited.
No arguments.
{
"type": "object",
"oneOf": [
{
"type": "object",
"required": [
"mode",
"startDate",
"endDate"
],
"properties": {
"mode": {
"type": "string",
"const": "between"
},
"endDate": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
},
"startDate": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
},
"includeEnd": {
"type": "boolean",
"default": false
}
},
"additionalProperties": false
},
{
"type": "object",
"required": [
"mode",
"startDate",
"days"
],
"properties": {
"days": {
"type": "integer",
"maximum": 36525,
"minimum": 0
},
"mode": {
"type": "string",
"const": "offset"
},
"direction": {
"enum": [
"add",
"subtract"
],
"type": "string",
"default": "add"
},
"startDate": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
},
"businessOnly": {
"type": "boolean",
"default": true
}
},
"additionalProperties": false
}
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}Generate the website's coaching agreement as plain text. Missing text fields use placeholders. Draft only; legal review may be needed. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| fee | string | |
| coachName | string | |
| startDate | string | |
| clientName | string | |
| businessName | string | |
| coachingType | string | |
| paymentTerms | string | |
| programLength | string | |
| sessionFormat | string | |
| sessionLength | integer | |
| cancellationPolicy |
Check one email's syntax, mail routing, disposable/free-provider/role flags, and SMTP recipient acceptance. Sends no email. DNS alone does not verify a mailbox. unknown means inconclusive or mailbox not checked; likely_deliverable is evidence, not a delivery guarantee. No login or API key required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| email* | string |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"email"
],
"properties": {
"email": {
"type": "string",
"maxLength": 320,
"minLength": 1
}
},
"additionalProperties": false
}Calculate sustainable rates. margin is a percentage buffer added to annual income plus overhead, matching the website. All money must use the same currency. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| margin* | number | |
| overhead* | number | |
| hoursPerDay* | number | |
| annualIncome* | number | |
| billableHours* | number | |
| billableWeeks* | number |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"annualIncome",
"overhead",
"billableWeeks",
"billableHours",
"hoursPerDay",
"margin"
],
"properties": {
"margin": {
"type": "number",
"maximum": 95,
"minimum": 0
},
"overhead": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
},
"hoursPerDay": {
"type": "number",
"maximum": 24,
"exclusiveMinimum": 0
},
"annualIncome": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
},
"billableHours": {
"type": "number",
"maximum": 168,
"exclusiveMinimum": 0
},
"billableWeeks": {
"type": "number",
"maximum": 53,
"exclusiveMinimum": 0
}
},
"additionalProperties": false
}Calculate session price, costs, profit and per-photo price. Margin is a percentage of selling price; currency-neutral, no conversion. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| margin* | number | |
| numPhotos* | integer | |
| hourlyRate* | number | |
| editingRate* | number | |
| hoursOnSite* | number | |
| editingHours* | number | |
| gearTravelCost* | number |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"hoursOnSite",
"hourlyRate",
"editingHours",
"editingRate",
"gearTravelCost",
"numPhotos",
"margin"
],
"properties": {
"margin": {
"type": "number",
"maximum": 95,
"minimum": 0
},
"numPhotos": {
"type": "integer",
"maximum": 1000000,
"exclusiveMinimum": 0
},
"hourlyRate": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
},
"editingRate": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
},
"hoursOnSite": {
"type": "number",
"maximum": 10000,
"minimum": 0
},
"editingHours": {
"type": "number",
"maximum": 10000,
"minimum": 0
},
"gearTravelCost": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
}
},
"additionalProperties": false
}Generate quotation JSON and plain-text draft with percentage discounts per item and tax on discounted amounts. Does not save, send, or render PDF; website provides visual export. Currency is a label, no FX conversion. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| client* | string | |
| sender* | string | |
| currency* | string | |
| lineItems* | array | |
| quotationNumber* | string |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"quotationNumber",
"sender",
"client",
"currency",
"lineItems"
],
"properties": {
"client": {
"type": "string",
"maxLength": 2000,
"minLength": 1
},
"sender": {
"type": "string",
"maxLength": 2000,
"minLength": 1
},
"currency": {
"type": "string",
"pattern": "^[A-Z]{3}$"
},
"lineItems": {
"type": "array",
"items": {
"type": "object",
"required": [
"itemName",
"quantity",
"rate"
],
"properties": {
"tax": {
"type": "number",
"default": 0,
"maximum": 100,
"minimum": 0
},
"rate": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
},
"discount": {
"type": "number",
"default": 0,
"maximum": 100,
"minimum": 0
},
"itemName": {
"type": "string",
"maxLength": 2000,
"minLength": 1
},
"quantity": {
"type": "number",
"maximum": 1000000,
"exclusiveMinimum": 0
}
},
"additionalProperties": false
},
"maxItems": 100,
"minItems": 1
},
"quotationNumber": {
"type": "string",
"maxLength": 2000,
"minLength": 1
}
},
"additionalProperties": false
}Generate the website's monthly retainer agreement as plain text. Missing text fields use placeholders. Draft only; legal review may be needed. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| startDate | string | |
| clientName | string | |
| monthlyFee | string | |
| paymentDue | string | |
| overageRate | string | |
| serviceType | string | |
| contractTerm | string | |
| noticePeriod | string | |
| providerName | string | |
| includedScope | string |
Score user-supplied risks using likelihood × impact (1–5). Low <=6, medium <=14, high >=15. Does not infer likelihood or impact. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| risks* | array |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"risks"
],
"properties": {
"risks": {
"type": "array",
"items": {
"type": "object",
"required": [
"name",
"likelihood",
"impact"
],
"properties": {
"name": {
"type": "string",
"maxLength": 2000,
"minLength": 1
},
"impact": {
"type": "integer",
"maximum": 5,
"minimum": 1
},
"likelihood": {
"type": "integer",
"maximum": 5,
"minimum": 1
},
"mitigation": {
"type": "string",
"default": "",
"maxLength": 2000
}
},
"additionalProperties": false
},
"maxItems": 100,
"minItems": 1
}
},
"additionalProperties": false
}Generate a scope-of-work draft using the existing Heffl DeepSeek service. Returns untrusted HTML, not legal advice. Drafts may infer details; verify before use. Provider configuration required server-side. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| timeline | string | |
| clientName | string | |
| deliverables | array | |
| projectGoals* | string | |
| projectTitle* | string | |
| serviceCategory | string |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"projectTitle",
"projectGoals"
],
"properties": {
"timeline": {
"type": "string",
"default": "",
"maxLength": 200
},
"clientName": {
"type": "string",
"default": "",
"maxLength": 200
},
"deliverables": {
"type": "array",
"items": {
"type": "string",
"maxLength": 300
},
"default": [],
"maxItems": 30
},
"projectGoals": {
"type": "string",
"maxLength": 4000,
"minLength": 10
},
"projectTitle": {
"type": "string",
"maxLength": 200,
"minLength": 1
},
"serviceCategory": {
"type": "string",
"default": "",
"maxLength": 120
}
},
"additionalProperties": false
}Estimate standard UAE corporate tax on already-adjusted taxable income in AED: 0% up to 375000 and 9% above. Does not determine deductions, free-zone rules, relief or multinational minimum tax. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| taxableIncome* | number |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"taxableIncome"
],
"properties": {
"taxableIncome": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
}
},
"additionalProperties": false
}AED estimate for covered private-sector full-time foreign workers using monthly basic salary, at least one year service, 21 days for first five years then 30; capped at 24 months basic salary. Assumes continuous service without unpaid leave; no deductions or alternative schemes assessed. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| endDate* | string | |
| startDate* | string | |
| basicSalary* | number |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"basicSalary",
"startDate",
"endDate"
],
"properties": {
"endDate": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
},
"startDate": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
},
"basicSalary": {
"type": "number",
"maximum": 1000000000000,
"exclusiveMinimum": 0
}
},
"additionalProperties": false
}Estimate VAT on ordinary commercial/residential property in AED, not transfer fees. Residential zero-rating requires FIRST supply within three years of completion; other residential supply exempt. No mixed-use or specialist properties. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| amount* | number | |
| includeVat | boolean | |
| firstSupply* | boolean | |
| propertyType* | string | |
| yearsSinceCompletion* | number |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"amount",
"propertyType",
"firstSupply",
"yearsSinceCompletion"
],
"properties": {
"amount": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
},
"includeVat": {
"type": "boolean",
"default": false
},
"firstSupply": {
"type": "boolean"
},
"propertyType": {
"enum": [
"commercial",
"residential"
],
"type": "string"
},
"yearsSinceCompletion": {
"type": "number",
"maximum": 1000,
"minimum": 0
}
},
"additionalProperties": false
}Estimate standard 5% UAE VAT in AED, inclusive or exclusive. Does not classify exempt or zero-rated supplies. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| amount* | number | |
| includeVat | boolean |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"amount"
],
"properties": {
"amount": {
"type": "number",
"maximum": 1000000000000,
"minimum": 0
},
"includeVat": {
"type": "boolean",
"default": false
}
},
"additionalProperties": false
}Generate a business WhatsApp message draft using Heffl's DeepSeek service. Only drafts text; never sends messages. Provider configuration required server-side. Free, no authentication required. Rate limited.
| Argument | Type | Description |
|---|---|---|
| useCase* | string | |
| addEmoji | boolean | |
| businessBio | string | |
| messageTone | string | |
| businessName | string |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"useCase"
],
"properties": {
"useCase": {
"type": "string",
"maxLength": 2000,
"minLength": 1
},
"addEmoji": {
"type": "boolean",
"default": false
},
"businessBio": {
"type": "string",
"default": "",
"maxLength": 2000
},
"messageTone": {
"type": "string",
"default": "Professional",
"maxLength": 100
},
"businessName": {
"type": "string",
"default": "",
"maxLength": 2000
}
},
"additionalProperties": false
}| string |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"fee": {
"type": "string",
"default": "",
"maxLength": 2000
},
"coachName": {
"type": "string",
"default": "",
"maxLength": 2000
},
"startDate": {
"type": "string",
"default": "",
"maxLength": 2000
},
"clientName": {
"type": "string",
"default": "",
"maxLength": 2000
},
"businessName": {
"type": "string",
"default": "",
"maxLength": 2000
},
"coachingType": {
"type": "string",
"default": "life coaching",
"maxLength": 2000
},
"paymentTerms": {
"enum": [
"Full payment upfront",
"50% upfront, 50% at midpoint",
"Monthly installments",
"Pay per session"
],
"type": "string",
"default": "Full payment upfront"
},
"programLength": {
"type": "string",
"default": "",
"maxLength": 2000
},
"sessionFormat": {
"enum": [
"1:1 video calls",
"1:1 phone calls",
"In-person sessions",
"Group sessions"
],
"type": "string",
"default": "1:1 video calls"
},
"sessionLength": {
"type": "integer",
"default": 60,
"maximum": 1440,
"exclusiveMinimum": 0
},
"cancellationPolicy": {
"enum": [
"24 hours notice required",
"48 hours notice required",
"No refunds after session 1"
],
"type": "string",
"default": "24 hours notice required"
}
},
"additionalProperties": false
}{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"startDate": {
"type": "string",
"default": "",
"maxLength": 2000
},
"clientName": {
"type": "string",
"default": "",
"maxLength": 2000
},
"monthlyFee": {
"type": "string",
"default": "",
"maxLength": 2000
},
"paymentDue": {
"enum": [
"1st of each month, in advance",
"Net 15",
"Net 30"
],
"type": "string",
"default": "1st of each month, in advance"
},
"overageRate": {
"type": "string",
"default": "",
"maxLength": 2000
},
"serviceType": {
"type": "string",
"default": "ongoing marketing and design services",
"maxLength": 2000
},
"contractTerm": {
"enum": [
"Month-to-month",
"3-month minimum",
"6-month minimum",
"12-month term"
],
"type": "string",
"default": "Month-to-month"
},
"noticePeriod": {
"enum": [
"30 days written notice",
"60 days written notice",
"14 days written notice"
],
"type": "string",
"default": "30 days written notice"
},
"providerName": {
"type": "string",
"default": "",
"maxLength": 2000
},
"includedScope": {
"type": "string",
"default": "",
"maxLength": 2000
}
},
"additionalProperties": false
}