A
Surf
datasearchsocial
Preview responses and set spending limits for this service through use.mpp.land
Free budget controls, response samples, and reliability routing.
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
2 issues
- 402 response missing Cache-Control: no-store
- POST endpoint challenge missing digest parameter (SHOULD per spec)
Paid Operations (14)
POST /api/v1/twitter/search 0.005 USDC.e
Search tweets
Search Twitter with advanced operators. Returns ~20 tweets per page with engagement summary. Use cursor for pagination.
- Amount
- 0.005 (raw 5000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.005 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| cursor | string | No | Pagination cursor |
| end_date | string | No | Only tweets before this date (YYYY-MM-DD) |
| query | string | Yes | Search query with advanced operators |
| sort | string | No |
Sort order
enum: Latest, Top default: Latest
|
| start_date | string | No | Only tweets on or after this date (YYYY-MM-DD) |
POST /api/v1/twitter/tweet 0.005 USDC.e
Fetch tweet
Fetch a tweet with full thread context (all conversation participants), parent tweet, and optionally replies/quotes. Each section returns ~20 items per upstream page with pagination cursors.
- Amount
- 0.005 (raw 5000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.005 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| include | array | No | Optional data to include |
| ref | string | Yes | Tweet ID or URL |
POST /api/v1/twitter/user 0.005 USDC.e
Fetch user profile
Fetch a user profile with ~20 recent tweets per page. Use cursor for pagination. Optionally include replies in timeline and mentions.
- Amount
- 0.005 (raw 5000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.005 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| cursor | string | No | Pagination cursor from next_cursor |
| include_mentions | boolean | No | Include mentions timeline |
| include_replies | boolean | No | Include replies |
| ref | string | Yes | Username or @username |
POST /api/v1/reddit/search 0.005 USDC.e
Search Reddit
Search posts across Reddit with sort and time filters.
- Amount
- 0.005 (raw 5000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.005 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| cursor | string | No | Pagination cursor |
| end_date | string | No | Only posts before this date (YYYY-MM-DD) |
| limit | integer | No |
Max results
default: 25
|
| query | string | Yes | Search query |
| sort | string | No |
Sort order
enum: relevance, hot, top, new, comments default: relevance
|
| start_date | string | No | Only posts on or after this date (YYYY-MM-DD) |
| time | string | No |
Time range
enum: hour, day, week, month, year, all default: all
|
POST /api/v1/reddit/post 0.005 USDC.e
Fetch Reddit post
Fetch a Reddit post with comments, depth/sort control.
- Amount
- 0.005 (raw 5000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.005 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| comment_depth | integer | No |
Max nesting depth
default: 5
|
| comment_limit | integer | No |
Max comments
default: 50
|
| comment_sort | string | No |
Comment sort
enum: confidence, top, new, controversial, old, qa default: confidence
|
| ref | string | Yes | Post ID or Reddit URL |
POST /api/v1/reddit/subreddit 0.005 USDC.e
Fetch subreddit
Fetch subreddit info and top posts.
- Amount
- 0.005 (raw 5000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.005 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| limit | integer | No |
Max posts
default: 25
|
| name | string | Yes | Subreddit name |
| sort | string | No |
Post sort
enum: hot, new, top, rising default: hot
|
| time | string | No |
Time range
enum: hour, day, week, month, year, all default: day
|
POST /api/v1/reddit/user 0.005 USDC.e
Fetch Reddit user
Fetch a Reddit user profile with recent posts and comments.
- Amount
- 0.005 (raw 5000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.005 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| include_comments | boolean | No | Include recent comments |
| include_posts | boolean | No |
Include recent posts
default: true
|
| max_results | integer | No |
Max posts/comments
default: 25
|
| ref | string | Yes | Reddit username |
POST /api/v1/web/search 0.01 USDC.e
Web search
Search the web using Exa. Returns titles, URLs, and snippets.
- Amount
- 0.01 (raw 10000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.01 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| category | string | No |
Filter by content category
enum: company, research paper, news, pdf, github, tweet, personal site, linkedin profile |
| end_published_date | string | No | Only before ISO date |
| exclude_domains | array | No | Exclude domains |
| include_domains | array | No | Restrict to domains |
| query | string | Yes | Search query |
| start_published_date | string | No | Only after ISO date |
| type | string | No |
Search depth
enum: auto, fast default: auto
|
POST /api/v1/web/crawl 0.002 USDC.e
Crawl web pages
Extract content from a web page as markdown, HTML, text, or JSON.
- Amount
- 0.002 (raw 2000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.002 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| force_browser | boolean | No | Skip HTTP tier, use browser rendering directly |
| format | string | No |
Output format (json returns structured SSR data when available)
enum: markdown, html, text, json default: markdown
|
| proxy | boolean | No | Use proxy |
| raw_ssr_data | boolean | No | Return raw SSR JSON payload (e.g. __NEXT_DATA__) without processing |
| selector | string | No | CSS selector |
| url | string | Yes | URL to crawl |
| wait_selector | string | No | CSS selector to wait for in browser tier (skips HTTP probe) |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| content | array[string] | - |
| status | integer | - |
| url | string | - |
POST /api/v1/github/search 0.002 USDC.e
Search GitHub
Search GitHub repositories and conversations (issues + PRs). Supports GitHub search syntax.
- Amount
- 0.002 (raw 2000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.002 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| kind | string | No |
What to search: repos or conversations (issues+PRs)
enum: repos, conversations default: repos
|
| page | integer | No |
Page number
default: 1
|
| per_page | integer | No |
Results per page
default: 20
|
| query | string | Yes | Search query (supports GitHub search syntax) |
POST /api/v1/github/get 0.002 USDC.e
Fetch GitHub data
Fetch repository data: metadata, readme, files, tree, commits, branches, releases, PRs, or issues.
- Amount
- 0.002 (raw 2000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.002 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| kind | string | Yes |
What to fetch
enum: repo, readme, file, tree, commits, branches, releases, pr, issue |
| number | integer | No | PR or issue number (required for kind=pr|issue) |
| owner | string | Yes | Repository owner |
| page | integer | No |
Page number for paginated results
default: 1
|
| path | string | No | File path (required for kind=file) |
| per_page | integer | No |
Results per page
default: 30
|
| ref | string | No | Branch, tag, or commit SHA |
| repo | string | Yes | Repository name |
POST /api/v1/github/snapshot 0.005 USDC.e
Repository snapshot
Generate or retrieve a downloadable repository snapshot bundle. Returns cached by default (free). Set refresh=true to trigger new build (paid). Pass job_id to poll status.
- Amount
- 0.005 (raw 5000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.005 pricingMode: fixed protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| job_id | string | No | Job ID to poll build status |
| owner | string | Yes | Repository owner |
| ref | string | No | Branch or tag (default: repo default branch) |
| refresh | boolean | No | Set true to trigger a new snapshot build (paid) |
| repo | string | Yes | Repository name |
POST /api/v1/inference/v1/chat/completions dynamic USDC.e
Chat completion
OpenAI-compatible chat completion endpoint. Supports streaming via SSE. Dynamic pricing based on model and token usage.
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
pricingMode: quote protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| max_completion_tokens | No | Max completion tokens (preferred over max_tokens) | |
| max_tokens | No | Max tokens to generate | |
| messages | array | Yes | Chat messages |
| model | string | Yes | Model identifier |
| stream | boolean | No | Enable SSE streaming |
| temperature | No | Sampling temperature (0-2) | |
| tools | array | No | Tool definitions |
| top_p | No | Nucleus sampling |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| choices | array[object] | - |
| created | integer | - |
| id | string | - |
| model | string | - |
| object | string | - |
| usage | object | - |
POST /api/v1/inference/v1/messages dynamic USDC.e
Anthropic Messages API compatible chat
Anthropic Messages API compatible endpoint. Translates to OpenAI format internally, routes through OpenRouter. Supports streaming via SSE.
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
pricingMode: quote protocols: [x402 mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| max_tokens | integer | Yes | Maximum tokens to generate |
| messages | array | Yes | Conversation messages |
| model | string | Yes | Model identifier |
| stop_sequences | array | No | Custom stop sequences |
| stream | boolean | No | Enable SSE streaming |
| system | No | System prompt | |
| temperature | No | Sampling temperature (0-1) | |
| tool_choice | No | Tool selection mode | |
| tools | array | No | Tool definitions |
| top_k | No | Top-K sampling | |
| top_p | No | Nucleus sampling |
Payment Methods
- Methods
- tempo
- Intents
- charge
- Currencies (discovery)
- USDC.e
- Currency (challenge)
- USDC.e on Tempo (Tempo)
- Multiple Challenges
- Yes
Recipients
- 0x2BB201f1bb056eb738718BD7A3ad1BEF24b883bb
Per-endpoint breakdown
- POST /api/v1/reddit/post
- 0x2BB201f1bb056eb738718BD7A3ad1BEF24b883bb
- POST /api/v1/reddit/search
- 0x2BB201f1bb056eb738718BD7A3ad1BEF24b883bb
- POST /api/v1/reddit/subreddit
- 0x2BB201f1bb056eb738718BD7A3ad1BEF24b883bb
- POST /api/v1/twitter/search
- 0x2BB201f1bb056eb738718BD7A3ad1BEF24b883bb
- POST /api/v1/twitter/tweet
- 0x2BB201f1bb056eb738718BD7A3ad1BEF24b883bb
- POST /api/v1/twitter/user
- 0x2BB201f1bb056eb738718BD7A3ad1BEF24b883bb
Security
- TLS Version
- TLSv1.3
- Challenge ID Unique
- Yes
- Challenge ID Length
- 43
- Digest Binding
- -
Uptime
- Discovery
- Reachable (59ms)
- Challenge
- Reachable (94ms)
- Last Checked
Schema Completeness
- Paid Operations
- 14
- With Input Schema
- 14
- With Description
- 14
Documentation
- Homepage
- https://surf.cascade.fyi
- API Reference
- https://surf.cascade.fyi/openapi.json
- llms.txt
- https://surf.cascade.fyi/llms.txt reachable
Discovery
- OpenAPI URL
- https://surf.cascade.fyi/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 1.0.0
- Document Size
- 29020 bytes
- Document Hash
- a3290e59b592611db0dd2b459f8c7ec298c0ac192948ddd83a648543c2eb5cb9
Version History (2 snapshots)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-06 | A | 90% | 389ms | Up |
| 2026-04-07 | A | 90% | 136ms | Up |