RFC 7807 - Communicating the Problem
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This document discusses communication challenges in API economies and proposes solutions using RFC 7807. It outlines issues like protection, documentation and integration for internal/partner APIs as well as composition and modification for service APIs. RFC 7807 proposes including a type, title, status and detail in error responses to provide more context than HTTP status codes alone. It gives an example implementation from Zalando and discusses extending responses dynamically while maintaining security.
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![RFC 7807: Extending & Dynamic Vetting
HTTP/1.1 403 Forbidden
Content-Type: application/problem+json
Content-Language: en
{
"type": "https://example.com/probs/out-of-credit",
"title": "You do not have enough credit.",
"status": 403,
"detail": "Your current balance is 30, but that costs 50.",
"instance": "/account/12345/msgs/abc",
"balance": 30,
"accounts": ["/account/12345","/account/67890"]
}
HTTP/1.1 400 Bad Request
Content-Type: application/problem+json
Content-Language: en
{
"type": "https://example.com/validation-error",
"title": "Your request parameters didn't validate.",
"status": 400,
"invalid-params": [ {
"name": "age",
"reason": "must be a positive integer"
},
{
"name": "color",
"reason": "must be 'green', 'red' or 'blue'"}
]
}](https://image.slidesharecdn.com/rfc7807-180129005650/85/RFC-7807-Communicating-the-Problem-17-320.jpg)
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多特蒙德国际管理学院成绩单能够体现您的的学习能力，包括多特蒙德国际管理学院课程成绩、专业能力、研究能力。（q微1954292140）具体来说，成绩报告单通常包含学生的学习技能与习惯、各科成绩以及老师评语等部分，因此，成绩单不仅是学生学术能力的证明，也是评估学生是否适合某个教育项目的重要依据！狠狠撸s: Eco Economic Epochs for The World Game (s) pdf
狠狠撸s: Eco Economic Epochs for The World Game (s) pdfSteven McGee
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The REAL QFS - DeFi Quantum Financial System structured data AI symbols exchange derived from Net Centric Warfare, Battlefield Digitization for the World Game (s) Great Reset - Redesign: "End state = "in the beginning state" "Start at end state & work backwards" FutureMan
#quantum #financial #system #QFS #patent #Cryptocurrency #Tariff #TradeFi #commodity #wars #patent #law #AI artificial Intelligence Github: https://github.com/Beacon-Heart原版澳洲斯文本科技大学毕业证(厂鲍罢毕业证书)如何办理
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购买日韩成绩单、英国大学成绩单、美国大学成绩单、澳洲大学成绩单、加拿大大学成绩单（q微1954292140）新加坡大学成绩单、新西兰大学成绩单、爱尔兰成绩单、西班牙成绩单、德国成绩单。成绩单的意义主要体现在证明学习能力、评估学术背景、展示综合素质、提高录取率，以及是作为留信认证申请材料的一部分。
斯文本科技大学成绩单能够体现您的的学习能力，包括斯文本科技大学课程成绩、专业能力、研究能力。（q微1954292140）具体来说，成绩报告单通常包含学生的学习技能与习惯、各科成绩以及老师评语等部分，因此，成绩单不仅是学生学术能力的证明，也是评估学生是否适合某个教育项目的重要依据！
我们承诺采用的是学校原版纸张（原版纸质、底色、纹路）我们工厂拥有全套进口原装设备，特殊工艺都是采用不同机器制作，仿真度基本可以达到100%，所有成品以及工艺效果都可提前给客户展示，不满意可以根据客户要求进行调整，直到满意为止！
【主营项目】
一.斯文本科技大学毕业证【q微1954292140】斯文本科技大学成绩单、留信认证、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理国外各大学文凭(一对一专业服务,可全程监控跟踪进度)Transmission Control Protocol (TCP) and Starlink
Transmission Control Protocol (TCP) and StarlinkAPNIC
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Geoff Huston, APNIC Chief Scientist, delivered a remote presentation on 'TCP and Starlink' at INNOG 8 held in conjunction with the 2nd India ISP Conclave held in Delhi, India from 23 to 28 May 2025.inside the internet - understanding the TCP/IP protocol
inside the internet - understanding the TCP/IP protocolshainweniton02
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Key factors on TCP/IP protocolPaper: The World Game (s) Great Redesign.pdf
Paper: The World Game (s) Great Redesign.pdfSteven McGee
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Paper: The REAL QFS - DeFi Quantum Financial System structured data AI symbols exchange derived from Net Centric Warfare, Battlefield Digitization for the World Game (s) Great Reset - Redesign: "End state = "in the beginning state" "Start at end state & work backwards" FutureManMake DDoS expensive for the threat actors
Make DDoS expensive for the threat actorsAPNIC
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Awal Haolader, Network Analyst / Technical Trainer at APNIC, delivered a presentation titled 'Make DDoS expensive for the threat actors' at Phoenix Summit 2025 held in Dhaka, Bangladesh from 19 to 24 May 2025.DDoS in India, presented at INNOG 8 by Dave Phelan
DDoS in India, presented at INNOG 8 by Dave PhelanAPNIC
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Dave Phelan, Senior Network Analyst & Technical Trainer at APNIC, presented on 'DDoS in India' at INNOG 8 held in conjunction with the 2nd India ISP Conclave held in Delhi, India from 23 to 28 May 2025.B M Mostofa Kamal Al-Azad [Document & Localization Expert]
B M Mostofa Kamal Al-Azad [Document & Localization Expert]Mostofa Kamal Al-Azad
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Mostofa Kamal Al Azad
Document & Localization ExpertAd
RFC 7807 - Communicating the Problem
- 1. APIs CPH RFC- 7807 (Communicating the Problem)
- 2. About Me Amandeep Midha VP Engineering at ERNIT & Founder of APIs CPH
- 3. Communicated news is both good & bad
- 4. What was the exact problem ? 403 Access to Operation Denied
- 5. Happy Case Was So Good
- 7. Communication in API Economy Internal API (Agility) Partner API (Collaboration) Data (CRUD) Service APIs (Workflow/Triggers)
- 8. API Economy - Challenges including Communication ● Internal APIs ○ Protection (Authentication, Quota Limits, Monitoring) ○ Filtering (Method Level, Payload) ○ Documentation ( Improvisation, Extensions) ● Partner APIs ○ Integration Orchestration ○ Monitoring & SLA Management ○ Protection (Quota Limit & API security) ○ External Access ○ Partner Directory
- 9. API Economy - Challenges (Contd.) ● Data APIs ○ Connectors ○ Caching ○ Modification Capabilities ● Service APIs ○ Composition ○ Modification
- 10. API Economy - What gets Communicated? Core Application (Accounting, Deposits, Loans, Payments) Services / Data Access Layer ( Inner APIs ) Customer Relations, Engagement, Experience (Apps, Web, other Information Funnels) Access Points (Outer / Ecosystem APIs) Very Frequent Changes to App & UX Updates & New Services / Discovery Core Backend - Stable API Developer Portal & Mgt API Composition & Orchestration Microservices Runtime API Connectors
- 11. API Economy - Good Old Error Codes (RFC 2616)
- 12. API Economy - Bifurcated Technical Roles ● Digital Development Teams ○ Speed of Development ○ Simplicity of Solution ○ Ease of Use ● Backend Integration Teams ○ Sanity of Solution ○ Security ○ Ease of Scale
- 13. RFC 7807 (March 2016) Essential Motivation: 1. Missing Adequate Depth of Error Scenario 2. Categorization of Subtypes below HTTP Error Codes 3. Response is too basic to add value to UX
- 14. RFC 7807 (March 2016) Proposed Ingredients: 1. Type 2. Title 3. HTTP Status 4. Detail 5. Instance
- 15. RFC 7807 Zalando Implementation (September 2016): 1. Type 2. Title 3. Detail { "type": "https://example.org/out-of-stock", "title": "Out of Stock", "status": 400, "detail": "Item B00027Y5QG is no longer available" } Ref: https://github.com/zalando/problem
- 16. RFC 7807 : Security Considerations Vetting of information in Detail & Instance Disagreement on Status ( possible modification of status by proxy!) { "type": "https://example.org/out-of-stock", "title": "Out of Stock", "status": 400, "detail": "Item B00027Y5QG is no longer available" } Ref: https://github.com/zalando/problem
- 17. RFC 7807: Extending & Dynamic Vetting HTTP/1.1 403 Forbidden Content-Type: application/problem+json Content-Language: en { "type": "https://example.com/probs/out-of-credit", "title": "You do not have enough credit.", "status": 403, "detail": "Your current balance is 30, but that costs 50.", "instance": "/account/12345/msgs/abc", "balance": 30, "accounts": ["/account/12345","/account/67890"] } HTTP/1.1 400 Bad Request Content-Type: application/problem+json Content-Language: en { "type": "https://example.com/validation-error", "title": "Your request parameters didn't validate.", "status": 400, "invalid-params": [ { "name": "age", "reason": "must be a positive integer" }, { "name": "color", "reason": "must be 'green', 'red' or 'blue'"} ] }