A
Grok via Locus MPP
ai
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Compliance Checks
All paid ops declare 402 response
MUST
10pt
All x-payment-info valid
MUST
10pt
Challenge has Cache-Control: no-store
MUST
5pt
Challenge digest on POST
SHOULD
3pt
Challenge has expires
SHOULD
3pt
Challenge has Problem Details
SHOULD
2pt
Challenge has required params
MUST
5pt
Challenge has WWW-Authenticate
MUST
5pt
Challenge returns 402
MUST
10pt
Correct Content-Type
MUST
5pt
Has Cache-Control on discovery
SHOULD
5pt
Has input schemas
SHOULD
5pt
Has llms.txt
SHOULD
5pt
Has /openapi.json at root
MUST
10pt
Has required top-level fields
MUST
10pt
Served over HTTPS
MUST
10pt
Uses standard categories
SHOULD
2pt
1 issue
- POST endpoint challenge missing digest parameter (SHOULD per spec)
Paid Operations (7)
POST /grok/chat dynamic USDC.e
Chat Completions
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| frequency_penalty | number | No | Frequency penalty (-2.0 to 2.0, default 0) |
| max_tokens | number | No | Maximum output tokens |
| messages | array | Yes | Conversation messages. Each: { role: "system"|"user"|"assistant", content: "text" } or multimodal: { role: "user", content: [{ type: "text", text: "..." }, { type: "image_url", image_url: { url: "..." } }] } |
| model | string | Yes | Model ID (e.g. 'grok-3', 'grok-3-mini', 'grok-4-0709', 'grok-4-1-fast-reasoning', 'grok-code-fast-1') |
| n | number | No | Number of completions to generate (default 1) |
| presence_penalty | number | No | Presence penalty (-2.0 to 2.0, default 0) |
| stop | string | No | Stop sequences |
| temperature | number | No | Sampling temperature (0.0–2.0, default 1.0) |
| top_p | number | No | Nucleus sampling threshold (0.0–1.0) |
POST /grok/image-generate dynamic USDC.e
Image Generation
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| aspect_ratio | string | No | Aspect ratio (e.g. '1:1', '16:9', '9:16', '4:3', '3:2', 'auto') |
| model | string | No | Image model ID: 'grok-imagine-image' (default), 'grok-imagine-image-pro' |
| n | number | No | Number of images to generate (default 1) |
| prompt | string | Yes | Text description of the image to generate |
| response_format | string | No | Response format: 'url' (default) or 'b64_json' |
POST /grok/image-edit dynamic USDC.e
Image Editing
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| image | string | Yes | Source image: { url: "https://..." } or { url: "data:image/jpeg;base64,..." } |
| model | string | No | Image model ID: 'grok-imagine-image' (default), 'grok-imagine-image-pro' |
| n | number | No | Number of edited images to generate (default 1) |
| prompt | string | Yes | Text description of the edits to apply (e.g. "Add a hat to the person") |
| response_format | string | No | Response format: 'url' (default) or 'b64_json' |
POST /grok/web-search dynamic USDC.e
Chat with Web Search
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| max_tokens | number | No | Maximum output tokens |
| messages | array | Yes | Conversation messages. Each: { role: "system"|"user"|"assistant", content: "text" } |
| model | string | Yes | Grok-4 family model required (e.g. 'grok-4-0709', 'grok-4-1-fast-reasoning', 'grok-4-1-fast-non-reasoning') |
| search_parameters | string | No | Web search filters: { allowed_domains: string[] (max 5), excluded_domains: string[] (max 5) } |
| temperature | number | No | Sampling temperature (0.0–2.0, default 1.0) |
POST /grok/x-search dynamic USDC.e
Chat with X Search
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| max_tokens | number | No | Maximum output tokens |
| messages | array | Yes | Conversation messages. Each: { role: "system"|"user"|"assistant", content: "text" } |
| model | string | Yes | Grok-4 family model required (e.g. 'grok-4-0709', 'grok-4-1-fast-reasoning', 'grok-4-1-fast-non-reasoning') |
| temperature | number | No | Sampling temperature (0.0–2.0, default 1.0) |
POST /grok/code-execution dynamic USDC.e
Chat with Code Execution
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| max_tokens | number | No | Maximum output tokens |
| messages | array | Yes | Conversation messages. Each: { role: "system"|"user"|"assistant", content: "text" } |
| model | string | Yes | Grok-4 family model required (e.g. 'grok-4-0709', 'grok-4-1-fast-reasoning', 'grok-4-1-fast-non-reasoning') |
| temperature | number | No | Sampling temperature (0.0–2.0, default 1.0) |
| tools | array | No | Additional tools to enable alongside code execution. |
POST /grok/tts dynamic USDC.e
Text-to-Speech
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| language | string | Yes | BCP-47 language code (e.g. 'en', 'zh', 'fr', 'de', 'ja') or 'auto' for detection |
| output_format | string | No | Audio format config: { codec: 'mp3'|'wav'|'pcm'|'mulaw'|'alaw', sample_rate: 24000, bit_rate: 128000 } |
| text | string | Yes | Text to convert to speech (max 15,000 characters). Supports inline speech tags like [pause], [laugh], <whisper>text</whisper>. |
| voice_id | string | No | Voice: 'eve' (energetic, default), 'ara' (warm), 'rex' (confident), 'sal' (smooth), 'leo' (authoritative) |
Payment Methods
- Methods
- tempo
- Intents
- charge
- Currencies (discovery)
- USDC.e
- Currency (challenge)
- USDC.e on Tempo (Tempo)
- Multiple Challenges
- No
Recipients
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
Per-endpoint breakdown
- POST /grok/chat
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
- POST /grok/code-execution
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
- POST /grok/image-generate
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
- POST /grok/web-search
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
- POST /grok/x-search
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
Security
- TLS Version
- TLSv1.3
- Challenge ID Unique
- -
- Challenge ID Length
- -
- Digest Binding
- -
Uptime
- Discovery
- Reachable (537ms)
- Challenge
- Reachable (549ms)
- Last Checked
Schema Completeness
- Paid Operations
- 7
- With Input Schema
- 7
- With Description
- 7
Documentation
- Homepage
- https://x.ai
- API Reference
- https://docs.x.ai
- llms.txt
- https://beta.paywithlocus.com/mpp/grok.md reachable
Discovery
- OpenAPI URL
- https://grok.mpp.paywithlocus.com/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 1.0.0
- Document Size
- 7689 bytes
- Document Hash
- f136f9b48f6f68e6fe4f8484b6959cd97c4e19e23096afe6c02b54db5fb0aef9
Version History (2 snapshots)
Grade: B (82%) → A (95%)
Grade: A (95%) → B (82%)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-06 | A | 95% | 699ms | Up |
| 2026-04-07 | A | 95% | 504ms | Up |